What is the difference between iPad 3 and iPad 4
iPad vs Tablet: what are the differences?
“Which is better to choose: an iPad from Apple or a tablet from another company?”. a question often asked by potential buyers of digital devices. This article will try to explain the difference between devices from the user’s point of view.
“Tablet” runs under an operating system capable of supporting small programs. The most popular operating systems are Android and iOS. iPad is the iOS version of the Apple tablet. What is the difference between an iPad and competitors? Which is better to buy? To decide on a purchase, you should consider all the pros / cons of sensory “toys”, taking into account the individual preferences.
The gadget tends to be more stable, easier to use than any other tablet. The biggest advantage is the App Store, with many downloadable apps (
750,000 copies available for download,
300,000 are created specifically for the iPad, the rest are capable of working in compatibility modes).
Apple individually approves each application prior to release, making it harder for malicious viruses to target Apple products. The iOS platform is characterized by an intuitive interface, continuing to be an ideal application development environment, as its functions are easy to understand. Therefore, it is ideal for different audiences / developers.
Steve Jobs’s popular gadget is not able to increase memory through flash drives, so if memory runs out, it really does not change. Another big negative difference is the inability to play flash / shockwave videos. Hence, it is not possible to view online clips on YouTube and many other sites. Although now more and more compatible HTML5 format is used, so the problem is almost solved.
iPad also has a high price tag. At first launch, this was a strong selling point. Now, it’s better to get a new generation tablet from any other popular manufacturer with a 7-inch screen / good power at a more attractive price than the iPadMini.
Android tablet strengths
The biggest plus is the wide variety available, providing a great selection of premium / lesser known tablet brands, as well as huge customization options.
Real multitasking is what makes Android different (when you turn on one program, others can run in the background). The iPad lacks such a function of interaction of several applications at the same time.
A big plus of any company that manufactures a non-apple tablet is its pricing policy. it is better, because it is more democratic than the expensively positioning giant from Cupertino.
Android tablet: weaknesses
The platform is not so clear and simple in practice (Apple’s iOS is definitely better), but you can gradually get used to it.
So, even after considering in detail how the iPad differs from its competitors, it’s hard to say for sure which device is better. To narrow down the choice, a few key points can be summarized for each of the objects under consideration:
- Tablet is the common name for a large number of touch screen gadgets / different characteristics from different manufacturers, iPad is a product exclusively of Apple (although the results of a survey of Americans showed the opposite: most are sure that this is a common name for “tablets”, as in the case of the names “Pampers” or “Xerox”);
- iPad is equipped with iOS (user-friendly interface / great display);
- In terms of ease of use / performance, iPad tends to be more stable and easier to use;
- Yabloko is still in the lead when it comes to the number of useful applications available. Android does not yet boast a lot of software optimized for the tablet. However, this is temporary.
- In terms of hardware, Android is a good choice for those who value a fast processor, powerful cameras, and easily expandable memory.
Do not forget to read the comments, there is also a lot of useful information. If there is no answer to your question, and there is an answer to later comments, then the answer to your question is contained in the article, respect someone else’s time.
Speed and functionality
If we talk about the main differences between the iPad 4 and iPad 3 models, then they are more related to their filling. The new tablet uses a 1.4 GHz processor. Apple A6X. A four-core PowerVR SGX 554MP4 with a performance up to 76.8 GFLOPS is used as a graphics coprocessor. An interesting fact is that the leading Android models contain up to 17 cores in the graphics system. Despite this, their performance is several times inferior to Apple tablets.
The new solution was the placement of RAM. It is taken out of the processor crystal and implemented on two chips of 512 MB each, that is, the total capacity is 1 GB.
Permanent or flash memory is installed with a capacity of 16, 32 or 64 GB. For the January 2013 model, it is 128GB.
There are three communication block options for the new tablet. Two of them can be used for data transmission over cellular communication such as 2G / 3G / 4G, but at the same time they cannot work in our CDMA / EVDO networks and do not support domestic LTE frequencies. [directone]
The new Retina display and hardware capable of supporting high-definition graphics have resulted in increased power consumption. This also made the developers significantly increase the battery capacity even in the iPad 3.
Like its predecessor, the iPad 4 has a 3.7V 11560mAh (43 Wh) lithium-polymer battery, which is only 0.6 mm thicker than the 25 Wh battery. This innovation still keeps Apple tablets in the lead in battery life.
See for yourself, from a single charge iPad 4 allows you to watch videos for up to 10 hours, listen to music or audiobooks for 140 hours, or stay in standby state for a whole month. It’s hard to find similar metrics among other models if Honor has graphics quality and system performance.
As mentioned at the beginning of this article, the tablet uses a miniature 8-pin Lightning interface, which is almost 80% smaller than the outdated 30-pin interface. Now the connector has become completely reversible, so you can not be afraid to insert it the wrong way.
- Wi-Fi (802.11a / b / g / n)
- Bluetooth 4.0
- Wi-Fi (802.11a / b / g / n)
- Bluetooth 4.0
- GSM / EDGE / HSPA
- LTE, 3G
- Wi-Fi (802.11a / b / g / n; 802.11n at 2.4GHz and 5GHz)
- Bluetooth 4.0
- Wi-Fi (802.11a / b / g / n; 802.11n at 2.4GHz and 5GHz)
- Bluetooth 4.0
- GSM / EDGE
- CDMA EV-DO Rev. A and Rev. B
- UMTS / HSPA / HSPA / DC-HSDPA
[nadavi razdel = ”30 ″ model =” Apple iPad 4 16Gb Wi-Fi ”]
What is the difference between iPad 4 and iPad 3
Fans are waiting for the release of each new model of Apple tablets with special hope, because these are both new “chips” and wider opportunities for users. So the release of the iPad 3 model was marked by the emergence of the latest Retina display, which at that time was distinguished by incredible image quality. I wonder what pleased the developers in the new iPad 4?
The iPad 3 uses the outdated 0.3MP VGA model as the front camera. The iPad 4 has a 1.2MP front camera and 720p HD video recording. Of course, like the previous one, it is designed only for FaceTime communication, but the picture quality has become much better.
The main iSight camera has not undergone any changes. It also has a resolution of 5 megapixels and supports 1080p / 30 fps HD video with image stabilization. At the same time, high clarity, color reproduction close to real, autofocus, tap focus and face detection function are supported.
The appearance of the gadget has practically not changed, which greatly delighted fans of the Apple brand. After all, according to experts, the iPad 3 case was recognized as the most optimal.
The only external difference from the previous model was a smaller system Lightning connector, which replaced the traditional 30-pin docking connector.
The dimensions of the tablet, as before, are 241.2 × 185.7 × 9.4 mm with a weight of 652-662 g (depending on the presence of a cellular communication module). Maybe some users were expecting a larger miniature from the new model, but let’s recall the increased capacity battery, which mainly affects the thickness of the device.
The front panel of the tablet is covered with a protective glass with an oleophobic coating that reliably protects the display from accidental bumps and scratches. Above the screen there is a lens of a new 1.2-megapixel front camera, under it, as before, there is a hardware button “Home”. Apple developers deliberately left the matrix bezel wide enough, which makes it possible to comfortably hold the case without touching the touch screen with your fingers.
The back panel is made of anodized aluminum, which together with smoothly beveled side edges forms a single piece. At its top there is a power button, a headphone jack (3.5 mm) and a black plug for a mobile antenna. The main camera lens is built next to it. Built-in speaker and Lightning connector at the bottom of the rear panel.
On the left side of the case there is a Micro-SIM slot (relevant for a model with 4G), on the right. a rocker key for adjusting the volume and a “Mute” slider, which also blocks automatic image orientation.
[ga250] The Apple iPad 4, like the previous model, uses a Retina display with a resolution of 2048 × 1536. With a 9.7-inch screen, the pixel density is 264 PPI, which makes the screen look more like a glossy magazine page. The pixels are completely indistinguishable, so the reality of the image is amazing. This time, the developers made the right choice. Why look for other solutions when this display is considered the best of all 10-inch tablets. The only drawback is the lack of anti-reflective coating, which has been discussed a lot by users of Apple gadgets.
The IPS-matrix is made using the same technology, therefore it combines natural color gamut and maximum viewing angles. Its quality is especially noticeable when compared with previous generations of displays. Capacitive sensor positioning has become more accurate and, in addition, it has a warm color gamut with improved image detail.
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A detailed review and testing of the Apple iPad mini 4 tablet
At the September presentation, Apple, among other things, announced a new version of iPad mini. the fourth. However, she got the least attention: both Apple representatives and the press made Accent on the iPad Pro and the new generation of iPhone. In principle, it is understandable: there is nothing really innovative in the iPad mini 4. But the differences from the iPad mini 3 are much greater here than the iPad mini 3 had compared to the iPad mini 2. A year ago, Apple only equipped the Retina version of its mini-tablet with a fingerprint scanner and a new body color. Now, both the filling and the case itself have been updated. this is not counting improvements in terms of software.
Apparently, due to the fact that the iPad mini 4 does not have some kind of technological innovation, Apple was able to release the tablet earlier than the rest of the new items announced on September 9th. over, the iPad mini 4 immediately went on sale in many countries, including Russia (while the official start date for the iPhone 6s and 6s Plus is still unknown to us, we did not get into the first wave of sales). Thus, today we have the opportunity to get acquainted with the iPad mini 4 and figure out how it differs from other current iPad models.
Let’s look at the technical characteristics of the new item.
The iPad mini 4 is powered by the Apple A8 SoC, built using the 20nm process technology. The single-chip system includes a dual-core 64-bit CPU with Typhoon architecture based on ARMv8-A, PowerVR GX6450 GPU and Apple M8 motion coprocessor. The difference between the Apple M8 and the Apple M7, used in previous generations of iPad mini, is the presence of a barometer.
As for the SoC as a whole, we already saw it in the iPhone 6/6 Plus, but there the CPU worked at a lower frequency. On top of that, the amount of RAM was half the size.
Let’s compare the performance of iPad mini 4 versus iPad Air 2, iPad mini 3, and iPhone 6 Plus. IOS 9.0 was installed on iPad mini 4, iOS 9.1 beta on iPad Air 2, and iOS 8.0 on other devices.
Let’s start with browser benchmarks: SunSpider 1.0, Octane Benchmark, and Kraken Benchmark. We will also add JetStream to our standard set. a new browser benchmark recommended by the creators of SunSpider as a replacement.
|Apple iPad mini 4|
|Apple iPad Air 2|
|Apple iPad mini 3|
|Apple iPhone 6 Plus|
|SunSpider 1.0.2 |
(less is better)
|328.7 ms||291.3 ms||436.6 ms||365.7 ms|
|Octane 2.0 |
(more is better)
|10066 points||10408 points||6339 points||7056 points|
|Kraken Benchmark 1.1 |
(less is better)
|2542.3 ms||2330.7 ms||5439.2 ms||4506.3 ms|
(more is better)
|76,150 points||82,534 points||–||–|
Browser tests show that iPad mini 4 outperforms both its immediate predecessor and the iPhone 6 Plus, and the gap is significant (apparently, it’s about RAM). But the absolute leader is still iPad Air 2, although its superiority is far from so significant. It is unlikely that it will be noticeable in real use.
Now let’s see how iPad mini 4 performs in Geekbench 3, a multi-platform benchmark that measures CPU and RAM performance.
|Apple iPad mini 4|
|Apple iPad Air 2|
|Apple iPad mini 3|
|Apple iPhone 6 Plus|
|Geekbench 3 Single-Core Score |
(more is better)
|1713 points||1831 score||1377 points||1613 points|
|Geekbench 3 Multi-Core Score |
(more is better)
|3110 points||4587 points||2481 points||2899 points|
A similar picture is here. The layout is the same, but the gap between iPad mini 4 and iPhone 6 Plus is already minimal. But the difference with the iPad Air 2 in multi-core mode is just the same strongly noticeable.
The last group of benchmarks is dedicated to GPU performance testing. We used 3DMark, GFXBench 3.1, as well as the new Basemark Metal benchmark, created specifically for devices with Metal technology. In addition, we launched GFXBench Metal on iPad mini 4 (a benchmark variant optimized for Metal devices). We present the results through a slash with the results of the usual version (3.1). For some unknown reason, GFXBench did not start in any version on the iPad Air 2. perhaps it is in the beta version of iOS. So in the table below you can see the results for the iPad Air 2, which were at the time of our first testing of this tablet (respectively, on iOS 8).
Recall that Offscreen tests are displaying a 1080p picture regardless of the actual screen resolution. And tests without Offscreen. this is the output of the picture exactly in the resolution that corresponds to the screen resolution of the device. That is, Offscreen tests are indicative from the point of view of abstract SoC performance, and real tests. from the point of view of the comfort of the game on a specific device.
|Apple iPad mini 4|
|Apple iPad Air 2|
|Apple iPad mini 3|
|Apple iPhone 6 Plus|
|15.2 / 16.0 fps||24.5 fps||8.9 fps||18.6 fps|
|21.5 / 22.5 fps||32.8 fps||13.2 fps||31.2 fps|
|37.0 / 38.2 fps||52.5 fps||22.7 fps||44.7 fps|
|47.5 / 50.2 fps||70.6 fps||28.5 fps||52.1 fps|
So, iPad mini 4 demonstrates unambiguously better results than the tablet of the previous generation. in particular, the T-Rex stage now runs at a frequency higher than 30 fps, and therefore, a game with such a level of graphics will run comfortably on iPad mini 4 and uncomfortable. on iPad mini 3. At the same time, iPad Air 2 is still far ahead. So it is he who remains the best gaming solution. As for the results of the iPad mini 4 in comparison with the iPhone 6 Plus, here it is necessary for Honor that the screen resolution of the iPhone 6 Plus is smaller than that of the iPad mini 4, so in Onscreen mode the smartphone’s results are slightly better, although the GPU is the same.
Next test: 3DMark. Here we are only interested in the Unlimited mode, because in other modes these devices exceed the maximum.
|Apple iPad mini 4|
|Apple iPad Air 2|
|Apple iPad mini 3|
|Apple iPhone 6 Plus|
|18626 points||21651 points||14544 points||17954 points|
And again the picture is very predictable. with the only difference that the gap between iPad mini 4 and iPad mini 3 is not as great here as in GFXBench.
Finally. Basemark Metal. Since we do not have results on it for iPad mini 3 and iPhone 6 Plus, we present only data on iPad mini 4 and iPad Air 2.
During the display of the test scene, there was a fps counter in the upper left corner. In the case of the iPad mini 4, it showed 5 fps, in the case of the iPad Air 2. 9-10 fps.
An interesting result, once again proving that the iPad Air 2 can still be considered the unrivaled gaming solution among Apple’s mobile devices (well, at least until the iPad Pro was released). In general, testing confirmed our assumptions: iPad mini 4 is noticeably faster than its predecessor and slightly faster than iPhone 6 Plus (although it won’t be felt in games), but slower than iPad Air 2. However, all this (and the difference between iPad mini of different generations, and the difference between iPad Air 2 and iPad mini 4) will be felt only in two years, not earlier. when games aimed at fundamentally more powerful SoCs appear.
Specifications Apple iPad mini 4
- SoC Apple A8 1.5 GHz 64 bits (2 cores, Typhoon architecture based on ARMv8-A)
- GPU PowerVR GX6450
- Apple M8 motion coprocessor including GPS, barometer, accelerometer, gyroscope and compass
- RAM 2 GB
- Flash memory 16/64/128 GB
- No memory card support
- Operating system iOS 9.0
- Touch display IPS, 7.9 ″, 2048 × 1536 (326 ppi), capacitive, multitouch
- Cameras: front (1.2 Mp, 720p video via FaceTime) and rear (8 Mp, 1080p video)
- Wi-Fi 802.11b / g / n / ac (2.4 and 5 GHz; MIMO support)
- Cellular (optional): UMTS / HSPA / HSPA / DC-HSDPA (850, 900, 1700/2100, 1900, 2100 MHz); GSM / EDGE (850, 900, 1800, 1900 MHz), LTE Bands 1, 2, 3, 4, 5, 7, 8, 13, 17, 18, 19, 20, 25, 26
- Bluetooth 4.2
- Touch ID Fingerprint Scanner
- 3.5mm stereo headset jack, Lightning dock
- Li-polymer battery 19.1 Wh
- A-GPS (in version with cellular module)
- Dimensions 203 × 135 × 6.1 mm
- Weight 299 g (manufacturer declared weight of version without honeycomb module) / 307 g (our measurement of version with honeycomb module)
For clarity, let’s compare the characteristics of the novelty with the iPad mini of the previous generation (we will consider the second and third versions as one generation) and with the iPad Air 2.
|iPad mini 4||iPad mini 2/3||iPad Air 2|
|IPS, 7.9 ″, 2048 × 1536 (326 ppi)||IPS, 7.9 ″, 2048 × 1536 (326 ppi)||IPS, 9.7 ″, 2048 × 1536 (264 ppi)|
|Apple A8 @ 1.5 GHz (2 cores, 64 bits, Typhoon architecture based on ARMv8-A) M8 coprocessor||Apple A7 @ 1.3 GHz (2 Cyclone cores, 64 bit)||Apple A8X @ 1.5 GHz (3 cores, 64 bits, Typhoon architecture based on ARMv8-A) M8 coprocessor|
|PowerVR GX6450||PowerVR G6430||PowerVR GXA6850|
|16/64/128 GB||16/64/128 GB||16/64/128 GB|
|Lightning, 3.5mm headphone jack||Lightning, 3.5mm headphone jack||Lightning, 3.5mm headphone jack|
|2 GB||1 GB||2 GB|
|front (1.2 Mp, 720p video via FaceTime) and rear (8 Mp, 1080p video)||front (1.2 Mp) and rear (5 Mp; video 1080p)||front (1.2 Mp, 720p video via FaceTime) and rear (8 Mp, 1080p video)|
|Wi-Fi 802.11 a / b / g / n / ac MIMO (2.4 GHz 5 GHz), optional 3G / 4G LTE||Wi-Fi 802.11 a / b / g / n MIMO (2.4 GHz 5 GHz), optional 3G / 4G LTE||Wi-Fi 802.11 a / b / g / n / ac MIMO (2.4 GHz 5 GHz), optional 3G / 4G LTE|
|Apple iOS 9.0||Apple iOS 7/8 (update to iOS 9.0 available)||Apple iOS 8.1 (update available to iOS 9.0)|
|203 × 135 × 6.1||200 × 134 × 7.5||240 x 170 x 6.1|
|IPad mini 4 retail deals|
|iPad mini 4 16GB Wi-Fi. T-12859393||iPad mini 4 16GB Wi-Fi 4G. T-12859394|
|iPad mini 4 64GB Wi-Fi. T-12859391||iPad mini 4 64GB Wi-Fi 4G. T-12859396|
|iPad mini 4 128GB Wi-Fi. T-12859392||iPad mini 4 128GB Wi-Fi 4G. T-12859395|
So what should you pay attention to? First, on the SoC. The iPad mini 4 has an Apple A8, and compared to the processor of the same model in the iPhone 6, this is an overclocked version (1.5 GHz versus 1.4 GHz). However, this is not an Apple A8X, as in the iPad Air 2. The differences are in the GPU and the number of CPU cores (three for the iPad Air 2 and two for the iPad mini 4).
As for the comparison with the iPad mini 2 and 3, here it is worth paying attention, of course, to the Apple A8 SoC instead of the Apple A7 and the presence of 2 GB of RAM instead of 1 GB. However, the new iPad mini has a smaller battery than the old one. Apparently Apple expects battery life to be maintained through the power efficiency of the new SoC. Whether it is true or not, we will check in our testing.
To test the output of video files on the screen of the device itself, we used a set of test files with an arrow and a rectangle moving one division per frame (see “Testing methods for video playback and display devices. Version 1 (for mobile devices)”). Screenshots with a shutter speed of 1 s helped to determine the nature of the frame output of video files with various parameters: the resolution varied (1280 by 720 (720p), 1920 by 1080 (1080p) and 3840 by 2160 (4K) pixels) and the frame rate (24, 25, 30, 50 and 60 fps). In our tests, we used a standard video player that can be launched from direct links to files. The test results are summarized in the table:
|4K / 30p||fine||not|
|4K / 25p||fine||not|
|4K / 24p||fine||not|
|1080 / 60p||fine||not|
|1080 / 50p||fine||not|
|1080 / 30p||fine||not|
|1080 / 25p||fine||not|
|1080 / 24p||fine||not|
|720 / 60p||fine||not|
|720 / 50p||fine||not|
|720 / 30p||fine||not|
|720 / 25p||fine||not|
|720 / 24p||fine||not|
Note: If both the Uniformity and Gaps columns have green ratings, this means that, most likely, when watching movies, artifacts caused by uneven interleaving and skipping of frames will either not be visible at all, or their number and visibility will not affect the comfort viewing. Red marks indicate possible problems with the playback of the respective files.
According to the criterion for outputting frames, the quality of video files playback on the screen of the device itself is nowhere better, since frames (or groups of frames) are always (under the conditions of this test) output with a uniform alternation of intervals and without frame drops. When playing video files with a resolution of 1920 by 1080 pixels (1080p) on the tablet screen, the image of the video file itself is displayed exactly along the wide border of the screen, albeit with the inevitable interpolation, which somewhat reduces the clarity. The brightness range displayed on the screen corresponds to the actual range of the video file.
The declared parameters of the iPad mini 4 screen do not differ from those of its predecessor: it is an IPS-matrix with a resolution of 2048 × 1536 and a screen diagonal of 7.9 ″. However, the fact that the key parameters are identical does not mean that the screens are exactly the same in all their properties. There really are differences! Detailed screen testing was performed by Alexey Kudryavtsev, editor of the “Monitors” and “Projectors and TV” sections. Below is his conclusion.
The front surface of the screen is made in the form of a glass plate with a mirror-smooth surface that is resistant to scratches. Judging by the reflection of objects, the anti-glare properties of the screen are much better than that of the Google Nexus 7 (2013) screen (hereinafter simply Nexus 7). At the same time, some shade of the screen surface, which appears at large angles, suggests that in the case of the iPad mini 4, some kind of anti-reflective coating is used. For clarity, here is a photo in which a white surface is reflected in the turned off screens (on the left. Nexus 7, on the right. iPad mini 4, then in all comparative photos the tested tablet is located below the Nexus 7:
The screen on the iPad mini 4 is noticeably darker (photo brightness 66 versus 111 on the Nexus 7). The doubling of reflected objects in the iPad mini 4 screen is very weak, which indicates that there is no air gap between the layers of the screen (more specifically, between the outer glass and the surface of the LCD matrix) (OGS type screen. One Glass Solution). Due to the smaller number of boundaries (such as glass / air) with very different refractive indices, such screens look better in conditions of strong external illumination, but their repair in case of cracked outer glass is much more expensive, since the entire screen has to be changed. On the outer surface of the screen there is a special oleophobic (grease-repellent) coating (effective, but still worse than that of the Nexus 7), so fingerprints are much easier to remove, and appear at a slower rate than in the case of ordinary glass.
With manual brightness control and with the display of the white field on the whole screen, the maximum brightness value was about 430 cd / m², the minimum. 4.8 cd / m². The maximum brightness is not very high, however, given the excellent anti-glare properties, readability even on a sunny day outdoors will be at a decent level. In complete darkness, the brightness can be lowered to a comfortable value. In the presence of automatic brightness control by light sensors (there are two of them, they are located in the upper corners (in portrait orientation), masked by a white coating on the inside of the glass, while taking into account the readings of the sensor that produces a higher value). In automatic mode, when the ambient light conditions change, the screen brightness both increases and decreases. The operation of this function depends on the position of the brightness adjustment slider. with it the user sets the desired brightness level for the current conditions. If in an office illuminated with artificial light (about 400 lx) the slider is moved to the maximum (we will assume that it is 100%), then in complete darkness the automatic brightness adjustment function reduces the brightness to 4.8 cd / m2 (a bit dark, but something visible), in an office illuminated with artificial light (about 400 lux), the brightness rises to 440 cd / m2 (very bright), in a very bright environment (corresponds to lighting on a clear day outdoors, but without direct sunlight. 20,000 lux or slightly more) installed on the same 440 cd / m² (as it should be). The brightness slider in the “office” is 50%. the values are as follows: 8.3, 110-130 and 440 cd / m2 (normal), at 0%. 4.8, 4.8 and 31 cd / m2 (dark, but the trend expected). It turns out that the automatic brightness control function works more or less adequately, and it is possible to adjust the nature of the brightness change to the user’s requirements, although there are some not obvious features in its work. At any brightness level, there is practically no backlight modulation, so there is no screen flicker either.
This tablet uses an IPS type matrix. The micrographs show the typical IPS subpixel structure:
For comparison, you can see the gallery of photomicrographs of screens used in mobile technology.
The screen has good viewing angles without significant color shift, even with large gaze deviations from the perpendicular to the screen, and without tint inversion. For comparison, we present photographs in which the screens of iPad mini 4 and Nexus 7 display the same images, while the brightness of the screens was initially set to about 200 cd / m2 (along the white field in full screen, on iPad mini 4 this corresponds to 65% brightness at using third-party programs), and the color balance on the camera is forcibly switched to 6500 K. Perpendicular to the screens is a white field:
Note the good uniformity of brightness and color tone of the white field. And the test picture:
The color balance is slightly different, the color saturation is normal. Now at an angle of about 45 degrees to the plane and to the side of the screen:
It can be seen that the colors did not change much on both screens and the contrast remained at a high level. And white box:
The brightness at the angle of the screens decreased (at least 5 times, based on the difference in exposure), but in the case of iPad mini 4, the drop in brightness is less. The black field, when deviated along the diagonal, is lightened weakly and acquires a violet or red-violet hue. The photos below demonstrate this (the brightness of the white areas in the direction perpendicular to the plane of the screens is about the same!):
With a perpendicular view, the uniformity of the black field is imperfect:
Contrast (approximately in the center of the screen) is normal. about 760: 1. Black-white-black response time is 21 ms (12 ms on 9 ms off). The transition between gray tones of 25% and 75% (by the numerical value of the color) and back in total takes the same 21 ms (but already 9 ms on 12 ms off). Such an unusual ratio of response times is explained by the fact that for transitions between halftones, a small acceleration of the matrix works. on the fronts of some transitions, brightness bursts are clearly visible:
This does not lead to noticeable artifacts, but the speed of the matrix increases. The gamma curve, plotted using 32 points at equal intervals in terms of the numerical value of the shade of gray, did not reveal a blockage in either the highlights or the shadows. The exponent of the approximating power function is 1.70, which is below the standard value of 2.2. In this case, the real gamma curve strongly deviates from the power dependence:
Usually, such a deviation is associated with the work of dynamically adjusting the brightness of the backlight in accordance with the nature of the displayed image, but in this case we did not reveal any signs of it.
Apparently, the matrix filters mix the components to each other to a moderate extent. The spectra confirm this:
As a result, the colors visually have a natural saturation. The grayscale balance is good, as the color temperature is slightly above the standard 6500 K, and the deviation from Spectra of absolute black body (ΔE) is less than 10, which is considered an acceptable indicator for a consumer device. At the same time, the color temperature and ΔE vary little from shade to shade. this has a positive effect on the visual assessment of the color balance. (The darkest areas of the gray scale can be ignored, since the color balance there is not very important, and the error in measuring color characteristics at low brightness is large.)
Let’s summarize. The screen does not have a very high maximum brightness, but it has excellent anti-reflective properties, so the device can be used outdoors without any problems, even on a sunny summer day. In complete darkness, the brightness can be lowered to a comfortable level. It is also permissible to use the mode with automatic brightness adjustment, which works quite adequately. The advantages of the screen include an effective oleophobic coating, no air gap in the layers of the screen and no flicker, high stability of black to deviation of the gaze from the perpendicular to the plane of the screen, as well as sRGB color gamut and good color balance. There are no significant shortcomings. This is probably the best display among small-screen tablets at the moment.
Summing up the testing of the iPad mini 4 screen, we can note that a big step forward has been made here compared to the iPad mini 3: firstly, it is getting rid of the air gap between the matrix and the glass; secondly, improved color gamut and anti-glare properties. But you need to understand that if the iPad mini 4 screen is damaged, it will be much more expensive to replace it than if it was iPad mini 3.
Externally, iPad mini 4 does not differ much from its predecessor: all the buttons remain in the same places, the appearance of the front panel has not changed either. However, when you take iPad mini 4 in your hand, you immediately feel the difference: the body has become thinner by almost one and a half millimeters and lighter by about 10% (the exact figure depends on the compared versions. with or without a cellular module), and this can be noticed even without the »Comparisons (of course, provided that you have used iPad mini before).
The rest of the design differences are so insignificant and of such little importance that they are worth mentioning only for the sake of accuracy and completeness of the description. So, the speaker grilles located on the bottom edge now represent one row of holes, not two. At the same time, the number of holes in a single row is also less, but the holes themselves are larger.
This hardly affects the sound quality. In general, we are not inclined to attribute the sound of the iPad mini 4 speakers to either the advantages or disadvantages of the tablet. The advantage here is quite legible speech and relatively good (as far as possible under such conditions) vocal transmission, and the disadvantage is the location of the speakers: it turns out that the sound comes from only one side of the device. We are not talking about the obvious (the missing low frequencies, coupled with slightly rattling mids). this is the trouble of almost all tablets and smartphones.
On the back surface, despite the brushed aluminum, fingerprints are noticeable. This is especially true of the mirrored apple, which almost always looks stained (with daily use of the tablet). On the rest of the surface area, the prints are visible at an angle, but they do not catch the eye and are quite easy to remove.
There are two microphone holes next to the camera. In iPad mini 3, there was only one microphone and it was located in the center of the upper edge. Now iPad mini is completely similar to iPad Air 2 in design and placement of microphones and speakers. But there was no flash near the camera, and no. But there is a fingerprint sensor located in the Home button and inherited from the iPad mini 3.
In general, we can say that iPad mini 4 is just a smaller iPad Air 2. By the way, the thickness of the case of these two tablets is identical. As well as placing absolutely all elements.
Autonomous work and heating
We conducted detailed battery life tests on both tablets. In them, both new iPads performed excellently. So, in 3D games you can play them for more than five and a half hours. This is significantly better than the Nvidia Shield Tablet, although the latter is positioned specifically as a gaming tablet. We emphasize that we checked the battery life in games both using the Epic Citadel test scene (it is on the Unreal engine used in games such as Infinity Blade III, Dark Meadow and Horn), and using a real game. Asphalt 8.
|Apple iPad mini 4|
|Apple iPad Air 2|
|Apple iPad mini 3|
|about 11 hours 20 minutes||about 11 hours 20 minutes||about 10 hours 30 minutes|
|6 hours 10 minutes||a little over 6 hours||about 5 hours 30 minutes|
|discharged by 16%||discharged by 16%||discharged by 17%|
The time to fully charge the tablet battery from the included charger is three hours. A little too much!
As for the ergonomics of the iPad mini 4, the Apple tablet remained barely warm during the game in Asphalt 8 and the Epic Citadel scene. This is a great result.!
Below is a thermal image of the rear surface taken after 10 minutes of running the battery test in the GFXBenchmark program:
It can be seen that the heating is a little more localized on the right side of the device, which, apparently, corresponds to the location of the SoC chip. According to the heat chamber, the maximum heating was 38 degrees (at an ambient temperature of 24 degrees), this is not very much.
Difference between iPad Air and iPad 4
No sooner had the fanfare of the presentation of the new Apple Internet tablet, which received its own name iPad Air, had died down, as queues of those who had waited a bit with the purchase of the iPad 4 are ready to snake at the points of sale. A year later, everything changed, and the owners of the now penultimate model seriously thought about the need the transition to the brand new Lite model, which attracts by the consistency of the name. Is it worth investing in an upgrade, or is the circulation of apple devices pointless. comparing the iPad Air and iPad 4.
iPad 4 is an internet tablet introduced by Apple in October 2012. Replaced the third generation iPad New.
iPad Air is an internet tablet introduced by Apple in October 2013. Replaced the fourth generation iPad 4.
The difference between iPad Air and iPad 4 is a year of development research. And they really turned out to be different, although one should not expect any revolutions in the world of Internet tablets. The main forces were thrown on design, because outwardly the new iPad from the outdated model is very easy to distinguish. Firstly, it is thinner and lighter, and stylistically close to mini. The Air measures 240 x 169.5 x 7.5 mm, while the iPad 4 measures 241.2 x 185.7 x 9.4 mm. And if a couple of millimeters does not create a significant advantage in the hands of a layman, then the weight of the new iPad, reduced by almost 200 g (459 g versus 652 g), will definitely please the owner. In addition to being slightly more compact, iPad Air also looks sleeker due to the narrow bezels around the screen. The same works in favor of the view area.
Attentive potential buyers will notice another touch to the portrait: the Air has two speakers at the end, with a Lightning port located between them. How effective this solution is. for users to judge, but stereo in this configuration seems to be nothing more than a tribute to innovation. There are no other external changes, and both generations of iPads remain indisputably recognizable.
Until you get a glimpse, you can only believe the facts, and they demonstrate serious updates only in design and hardware platform. Ignoring the fashion trends of the tablet market, Apple did not provide its iPad Air with a multi-core processor. two cores are still working for the benefit of the user. True, the processor is now new, branded Apple A7, and its architecture is sic!. 64-bit. This means that under certain conditions it will process information faster. Accordingly, one can hope to no longer see the “tupnyakov” of the iPad. The iPad 4 also has a dual-core processor, but only A6, which is inferior in many respects to the chips of competitors. The clock speed of the Air’s processor is slightly lower than that of its predecessor. 1.3 GHz versus 1.4 GHz, however, this does not affect the speed. But the presence of a coprocessor. in Air it’s the M7. is the main, main feature that can, if not stir up satisfied iPad 4 owners, then make them envy. The coprocessor unloads the main one from background processes, for example, processing sensor readings, and, accordingly, improves performance. It also reduces power consumption of the platform, so the thin and light battery. another Air feature and unlike iPad 4. allows itself to work longer on a single charge. Although in practice the case is limited to the same standard ten hours.
Another point, perhaps important for travelers: unlike the fourth iPad, Air received an update to the LTE module, and now fourth-generation networks in different countries will be available for connection. The WI-FI module has also been improved, and the now officially declared data exchange rate is 300 Mbps. Is this so. let’s see for ourselves, in December, when the iPad Air goes on sale in Russia.
Naturally, the iPad Air ships with the new iOS 7 operating system, while the iPad 4 has to be updated to it. According to those who had the opportunity to drive the new interface, it has become much more friendly and understandable. So those who have moved from Android Air may find it very easy to learn, and iPad 4. very inconvenient.
It’s very interesting how the new body colors will look live, because in the photos they seem very fresh and interesting
Of course, the main visible innovation of the 4th generation iPad Air is the case design. We won’t be mistaken if we call the previous 3rd generation iPad Air classic, because even the iPad 2 can be considered a prototype for it. No, this is an objective reality, not a stupid joke.
Last year’s model of the “air” tablet was distinguished by frames around the screen of an impressive size in white or black, the traditional Home button with a Touch ID scanner under the display, as well as smoothed side edges of the back made of aluminum. This form was left for the 8th generation iPad today.
Apple iPad 3 VS Apple iPad 4
Personally, I would take either the classic silver or the Blue Sky option
The novelty in terms of design is closer to the current iPad Pro line, which is obviously inspired by the angular iPhone 5 and iPhone 5s. On the front side of the gadget there are noticeably narrower frames around the screen, which can only be black. The side edges are pronounced, they have a chopped shape.
In addition to the design, the next generation iPad Air has received two new colors in which aluminum can be anodized. Green and blue sky are on a par with silver, “gray space” and “rose gold”.
Apparently, similar options should be expected in the iPhone 12 line.
- 3rd generation iPad Air: 250.6 x 174.1 x 6.1mm, 456g (464g with cellular)
- 4th Generation iPad Air: 247.6 x 178.5 x 6.1mm, 458g (460g cellular version)
The main differences between gadgets in terms of size and weight are length and width. The novelty has decreased in length and increased in width. However, the differences are not big enough to be taken into account. If you’re happy with the 3rd generation iPad Air form factor, 4th generation won’t disappoint.
How the new iPad Air 4 2020 differs from the old iPad Air 3
Apple’s first fall presentation was dedicated to the new Apple Watch and iPad. The tablets within its framework were presented by the inexpensive iPad of the 8th generation, as well as the mid-budget iPad Air of the 4th generation. In this article, we will focus on the latter, which turned out to be extremely curious.
The main question to be answered is how the fresh 4th generation iPad Air differs from the still peppy 3rd generation iPad Air?
Despite the change in the chipset used, the battery life remained at the same level: up to 10 hours of video on the Internet via Wi-Fi and up to 9 hours using cellular networks
Data on the amount of RAM in the 4th generation iPad Air is not yet available. However, it is difficult to say that when choosing an Apple mobile device, you can generally take this seriously. Personal experience suggests that there is always enough of it, and this information specifically is enough for me.
But the changes in terms of the chipset used are already interesting. Instead of the Apple A12 Bionic originally from the iPhone XR iPhone XS (Max), the novelty received the Apple A14 Bionic, which the company had never used before this gadget. Apparently, the same will be in the new iPhone 12, which should be presented later.
On paper, the productivity gain is significant, let’s see what it will be like in real life
At the moment, it is difficult to imagine how much faster it will work in real life. Nevertheless, there is official data from Apple, which are already talking about this: an increase of 40% in the speed of the processor, acceleration of the graphics system by 30%, Accent on neural networks.
Of course, the newer Apple uses a chipset of its own production in a mobile device, the longer it will support it with releases of new versions of iOS.
So when choosing between the 4th generation iPad Air and the 3rd generation iPad Air, which is officially retired, I would choose the former.
USB-C is much more convenient today than Lightning, there is nothing to argue here
To begin with, along with the 4th generation iPad Air, Apple continues to ditch Lightning, which was used in the 3rd generation iPad Air and continues to be the only interface in many other gadgets. It was replaced, as in the case of the iPad Pro, with the more versatile USB-C.
Considering the new iPad Air as a viable alternative for a Mac or other computer, USB-C does seem like the preferred interface. For example, you can connect a normal USB flash drive, monitor, camera and a number of other gadgets with which Lightning will only interfere with it.
The new Smart Connector located on the back of the device also deserves special attention. It allows you to connect to the fresh iPad Air the same keyboards that are used in iPad Pro: Magic Keyboard and Smart Keyboard Folio. I consider this a victory.
I myself prefer to work with text on MacBook, but Magic Keyboard for iPad commands respect as an engineering solution
Of course, just like the 3rd generation iPad Air, the 4th generation iPad Air also supports Apple Pencil.
However, instead of the first version of the apple stylus, he uses the second.
The main difference between them can be considered the charging method: the 1st generation must be connected via Lightning, and the second is “glued” with a magnet to the tablet case.
Among other things, the novelty is also distinguished by the presence of tracking autofocus when shooting video, which will bring videos to another higher quality level.
The set of cameras used deserves special attention. Nevertheless, one must also bear in mind that today it is not its bare technical characteristics that play an important role, but further processing. A good example in this regard is the 2020 iPhone SE with a camera from the iPhone 8 and a different shooting quality.
- iPad Air 3rd generation: 8MP / 2.4 aperture
- 4th generation iPad Air: 12MP / 1.8 aperture
Given the use of a modern process, the images should really get better quality. Personally, I’m looking forward to the level of the main camera of the iPhone 11 and iPhone 11 Pro (Max). It is also interesting to find out if the 4th generation iPad Air will appear in the night mode, which the same iPhone SE 2020 was deprived of.
It is also important to note that the camera of the novelty is also not equipped with a flash, which is in the current iPad Pro, so it will definitely not work to shoot in complete darkness.
With the help of a fresh sensor, the novelty can shoot video in 4K resolution at up to 60 frames per second and support for slow-motion 1080p @ 240FPS. The previous iPad Air boasted only 1080p, 30fps, and 720p @ 120FPS slow motion.
- iPad Air 3rd generation: 7MP, 1080p video
- 4th generation iPad Air: 7MP, 1080p video
Despite the use of a new form factor for the entire gadget as a whole, which gravitates towards the iPad Pro, the front camera in the 4th generation iPad Air remained without technical differences from the 3rd generation iPad Air.
Face ID scanner in the new “air” tablet also did not appear.
To unlock the gadget, now you still need to take it “correctly”
Despite the lack of a Home button, like the 3rd generation iPad Air, the 4th generation iPad Air also uses a Touch ID fingerprint scanner. He moved to the power button, and today we can only guess how fast and stable it will work. Hope for the best.
Yes, it was in the 4th generation iPad Air that Apple began embedding such sensors in the power button for the first time. If this experiment of the company is successful, it is worth waiting for the use of a similar solution in other gadgets. Touch ID immediately appeared in my head in Digital Crown in Apple Watch.
So you can’t tell right away which gadget you’re looking at right now: the 4th generation iPad Air or the 11-inch iPad Pro.
Of course, any modern mobile device is built around the screen, for which engineers adjust the design and other structural elements. You need to start with the fact that instead of the sharp corners of the 3rd generation iPad Air, the display in the new product received rounded ones. Size increased slightly.
Size, resolution and density:
- 3rd generation iPad Air: 10.5 inches, 2224 x 1668 pixels, 264 PPI
- 4th generation iPad Air: 10.9 inches, 2360 x 1640 pixels, 264 PPI
As you can see, the density traditionally remained unchanged: individual points with such PPI values, if you can see it, then only at an extremely close distance. The resolution has slightly changed for the sake of the minimum aspect ratio, which in the end still remained in the 4 to 3 format.
When choosing a mobile device, be sure to pay attention to the brightness level. Both models display 500 cd / m². This level has become the standard for many Apple devices, both in tablets and laptops. It is enough for information consumption on the street, and this is the main thing.
Yes, against the background of the new iPad Air 3rd generation it looks like a rather ancient device.
True Tone support, which adjusts the white balance, remains in place. But the increase in the frequency to 120 Hz by means of the ProMotion technology, which I personally really expected, did not appear.
Apparently, in the near future it will remain the prerogative of the iPad Pro line.
What is the difference between Apple iPad 3 and iPad 2
The emergence of a new device with the logo in the form of a bitten off apple has always caused a huge stir and attracted millions of people. This time, the world saw the new iPad 3, which conquered Apple fans with its revolutionary technologies. At first glance, the new iPad 3 doesn’t look much different from the iPad 2, but when you pick it up, you’ll immediately feel the difference
The first difference between iPad 3 and iPad 2 is immediately striking. it’s a stunning Retina display. Like the iPad 2, the iPad 3 uses in-plane switching (IPS) technology, which provides a wider viewing angle than other displays, but for the iPad 3, Apple has been able to increase the pixel density of the display so much that the human eye simply unable to distinguish between individual pixels. The screen resolution has doubled from 1024 x 768 px, iPad 3 has a resolution of 2048 x 1536 px, which is 3.1 million pixels on just a 9.7-inch screen. This is an outstanding achievement as HDTV screens are only 1920 x 1080 px.
The engineers were able to achieve such an amazing increase in resolution due to the fact that they managed to place 4 pixels in the same area on which one pixel was previously located. In addition to increasing the number of pixels, the developers have introduced a revolutionary technology for transmitting signals to pixels, thanks to which high image accuracy is achieved.
The new tablet is powered by an Apple A5X dual-core processor with a PowerVR SGX543MP4 quad-core graphics chip, while previously used an Apple A5 processor with a PowerVR SGX543MP2 dual-core chip. The new processor, according to Apple engineers, is twice as efficient as the processor in the previous generation tablet, and the RAM is increased to 1 GB.
The next difference between iPad 3 and iPad 2 is the camera. Previously, a rather modest 0.7 Mpx camera was used, now the tablet is equipped with a 5 Mpx camera with five lenses and such useful additions as an image stabilization system, autofocus, face detection (up to 10 faces in one shot), as well as a hybrid infrared filter, usually inherent in expensive SLR cameras. The new camera has the ability to shoot video in 1080p HD.
The battery life is stated in the same way as in the iPad 2. 10 hours. But, if Honor has that technically the new generation of tablets has become much higher and, accordingly, more energy-intensive, 10 hours of work is a good result. For the iPad to last so long, the engineers had to increase the battery capacity from 25 Wh to 42.5 Wh, while the body only increased in thickness to 9.4 mm, which is only 0.6 mm more than the iPad 2 (8.8 mm). and the weight has increased by 50 grams.
The new iPad 3, in addition to WI-FI and 3G, now has support for 4G LTE networks, which allows you to access the Internet with a high connection speed, but 4G LTE networks are available only for the USA and Canada.
At the moment, the starting price of these tablets in the US differs by 100. iPad 2 starts at 399, and iPad 3 starts at 499.
- iPad 3 differs from iPad 2 in improved display with Retina technology.
- The new generation uses the Apple A5X processor with a PowerVR SGX543MP4 quad-core graphics chip, which is twice the performance of the iPad 2 processor.
- The new tablet has a 5Mpx camera and the ability to shoot in 1080p HD.
- The operating time of the tablets is the same and is 10 hours.
- iPad 3 supports 4G LTE (US and Canada only).
- In the US, the initial cost between tablets differs by 100.
Disadvantages and weaknesses of the iPad
To all of the above, you can add the lack of multitasking. only the latest generation of iPad Pro tablets can simultaneously run two applications.
What is iPad?
iPad, or iPad, is a tablet computer produced by the famous Apple company. The history of tablets began in January 2010 with the first iPad model presented by Apple CEO Steve Jobs. Since then, the gadget has been updated and improved several times.
The latest version, iPad Pro, comes with a 12-inch or 9-inch screen, has 4 GB of RAM, the amount of permanent memory, depending on the modification, is 32 GB, 128 GB or 256 GB.
High-performance 2-core processor provides excellent performance.
Traditionally, iPads are of high quality and reliability. The native iOS operating system is generally considered to be much simpler and more user-friendly than Android. With the help of the App Store online service, the user gets access to a huge number of applications for all occasions.
At the moment, their number exceeds 750 thousand, with about 300 thousand applications developed specifically for the iPad. Most importantly, all applications are tested to exclude the possibility of virus infection by dangerous software.
What is iPad and how is it different from a regular phone?
The modern market for mobile gadgets is so vast and diverse that it is difficult for an ordinary person to understand it. It is necessary to closely study the characteristics and functionality of the latest models from different manufacturers, compare them with each other and be able to choose the best ratio of versatility, power and price. Conventional phones today are almost as good as tablet computers in terms of their capabilities. However, you can even determine, at least for yourself, what is the difference between the iPad and a regular phone, even without being a professional in the field of mobile communications.
How the iPad differs from a regular phone?
The main and main difference: a modern smartphone, with all its versatility, is designed for calls via mobile communication, and this function is not provided in the iPad. On the iPad, you can install one of the IP telephony programs. Skype or similar, and maintain voice communication with friends through its capabilities. But the iPad cannot use the mobile phone network for communication.
IPad screen sizes range from 8 “to 12”, while the largest phone does not exceed 6 “- 7”.
The iPad is equipped with the iOS operating system, which is simple and reliable, while the vast majority of ordinary phones are Android gadgets. Compared to iOS, Android is more complex to manage and more susceptible to virus attacks.
The performance, stability, reliability and durability of the iPad is significantly higher than that of conventional phones.
The choice of software products for iPads and for ordinary Android phones today is about the same, but their security and resistance to viral infection on the iPad is still better.
If you have a desire to expand the permanent memory of your Android phone, you can easily do this by inserting a memory card into the corresponding slot. iPad does not allow any upgrades, including the installation of an additional memory card.
If you prefer reliability, comfort and durability, then your choice is likely to be an iPad combined with an inexpensive push-button phone that will surely last you at least 6-7 years. An ordinary modern smartphone will “live” with you in half or three times less time, but at the same time it will combine all the necessary functions in one body and for half or three times less.