Apple iPod Touch 4 Defect Exposed to the World

In the latest autumn new conference of Apple, Jobs officially introduced the iPod family members of new generation to the public, among which iPod Touch 4 is the most striking with its powerful characteristics like iPhone 4. iPod Touch 4 adopts Retina display screen of 960 x 640 pixels, Apple A4 CPU and brand-new iOS 4.1 operating systems; it also supports multitasking handle and adds one pair of lenses, front & rear, so as to respectively achieve video chat with VGA resolution and video recording ranking 720P. Besides, it realizes FaceTime video converses through 802.11 b/g/n Wi-Fi. Through the new triaxial gyroscope reactor, iPod Touch 4 can support action identification with higher level. There are Game Center appliance programs in iOS4.1 operation system integration, providing many kinds of games and also adding the brand-new fight platform. However, can iPod Touch 4 really become a section of products as popular as iPhone 4?

Before the issue of iPod Touch 4, people have been guessing what it looks like, whether to extend the appearance of iPod Touch 3 or to update to the sample of iPhone 4? According the new products released, there are not too many differences between iPod Touch 4 and iPod Touch 3 in appearance. The only difference lies in that iPod Touch 4 increases the lens like iPhone 4, which is mainly used for FaceTime. In addition, there is no difference between iPod Touch 4 and iPod Touch3.

All the time someone has guessed iPod Touch 4 will adopt the compartments of iPhone 4 to improve the characteristic. But what’s pretty, through disassembling of Federal Communications Commission, we can discover that the voltage of iPod Touch 4 is 3.7V and its battery capacity is 3.44Whr, smaller than that of iPhone 4 with 5.25Whr battery capacity. Through further disassembling we can also find that the circuit board structures of iPod Touch 4 is totally different from iPhone 4. iPod Touch 4 adopts A4 chip that is researched and developed by Apple. A4 consists of a processor kernel district and two Samsung RAM districts. Processor adopts the framework of ARM Cortex-A8, instead of the highest level of Cortex-A9 double-core.

Display Screen Inferior to iPhone 4

The official of Apple states that iPod Touch 4 adopts Retina display screen. Actually the screen resolution of iPod Touch 4 is better than iPod Touch 3, but it still can’t compare with iPhone 4 on the result of use. Via comparison, no matter in brightness and clarity, or in display of details, iPod Touch 4 is inferior to iPhone 4. The key point is that iPhone 4 Retina screen is IPS screen, which can still show you clear pictures when looking at the flat angle of screen, while iPod Touch 4 screen is not IPS. When looking at a wide angle, the picture effects are relatively poor.

According to the convention of Apple’s release of new products, as long as it is new product’s characteristics, Jobs will certainly describe it on the news conference. However, this time while releasing new products, Jobs says nothing about the characteristics of iPod Touch 4 screen. It differs greatly from what he behaved upon explaining the high resolution of Retine when releasing iPhone 4.

Outer Cover Pleasant to Eyes But Useless

The outer cover of iPod Touch 4 adopts the same design as iPod Touch 3. Though it looks pretty on well-polished aluminum alloy, this material is inferior in hardness and easy to suffer from scratches after using for some time. One of the improvements of iPhone 4 is that it no longer adopts polished aluminum alloy cover, but high-hardness glasses instead. Therefore, to avoid scratches of outer cover, a protective case for iPod Touch 4 will be a good resolution.

Good Looking but Hard to Maintain

Like most Apple products, iPod Touch 4 also adopts the integrative structure; the whole devices are linked up through bayonet or Adhesives. The advantage of building in this way is that device’s integrity is better, but the disadvantage is more obvious — difficult to maintain and troublesome to retrieve.

What deserves to be mentioned is that the outer cover and screen of previous generation iPod Touch can be change independently. There exist separate wound cables between display screen and mother board, so that it is easy to disassemble. Thus, is the present design a progress or retrogress?

Video Camera, Better than none

As we all know, iPod Touch 3 has no front and rear lens. It is the first time for iPod Touch 4 to add the lens. But what’s different from iPhone 4 is that the rear lens of iPod Touch 4 has only 690,000 picture element with no automatic focus function and unable to shoot photos in case of low luminance, because it has no build-in blinker like iPhone 4.

However, the front lens of iPod Touch 4 is nearly the same as iPhone 4. The size is 4.9mm x 4.9mm x 2.5mm, 0.3mm thicker than that of iPhone 4. According to the data given by overseas Medias, its front VGA lens is 300,000 pixels (640 x 480).

Whether 256MB Memory Able to Support Multitasking

Compared with previous generation, the improvement of iOS4 is its capacity to support multitasking handling. Thus the support of multitasking handle of iPod Touch 4 has become a selling point. But via disassembling and relative materials, we discover that the package marking of iPod Touch 4 CPU is K4X2G643GE, the same as iPad, while different from iPhone 4. This also means that the memory of iPod Touch 4 is the same as iPad, 256MB, different from iPhone 4 with 512MB.

In a word, iPod Touch 4 has great improvement than iPod Touch 3, in display resolution and CPU. But it is still not as good as what Apple says about iPod Touch4.

Here there is one model of MP4, silimar to iPhone 4 in apperance, which is not inferior to iPod Touch 4.

2GB 2.6″ Touch Screen MP4 Player with PC-Camera DV FM MPG42G05

4GB 2.6″ Touch Screen MP4 Player with PC-Camera DV FM MPG44G07

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7 Responses to Apple iPod Touch 4 Defect Exposed to the World

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