Apple's Apple TV software update released at the end of January exposed a new generation of Apple TV 3.2. The application file submitted by Apple to the US Federal Communications Commission was subsequently exposed. According to the software number of the new set-top box, Apple TV 3.2 was initially judged to be likely to use the A5X chip instead of the single-core A5 processor used by the third-generation Apple TV.
The US technology blog MacRumors dismantled the new Apple TV set-top box with a smaller A5 chip instead of the rumored A5X.
Since Apple's Apple TV's new processor identification number is S5L8947, and A5X's identification number is S5L8945, this change and the die shrinking A5 processor number used by Apple's third-generation Apple TV last year were converted from the original S5L8940 to smaller. The results of S5L8942 are similar.
Single-core A5 processor for third-generation Apple TV
New Apple TV set-top box with smaller A5 chip
Chipworks and Silicon-IP chip experts studied the smaller A5 chip and found that the third-generation Apple TV A5 chip did not use DRAM design, and the new A5 chip used Elpida's DRAM.
Although there are rumors that Apple wants to do everything possible to get rid of Samsung, it seems that Apple has not done so. The small A5 processor in the new Apple TV is still manufactured by Samsung.
The A5 chip debuted at the 2011 iPad 2 conference, which uses a 45-nanometer process with a size of 10.09 mm x 12.15 mm. The third-generation Apple TV and iPad 2 upgrades introduced in 2012 are equipped with a die-retracted A5 processor. The size is 8.19 mm x 8.68 mm, which is 41% smaller than the previous product. The latest Apple TV 3.2 A5 chip has been further upgraded: only 6 mm x 6 mm.
MacRumors speculated that Apple's real intention to reduce the size of the processor is to verify TSMC's 28-nanometer technology, the company is expected to replace Samsung as a new foundry of Apple components. The move is significant for Apple, which will make the A5 chip the first non-Samsung OEM iOS device processor. Meanwhile, Samsung's lab in Austin, Texas is also advancing toward 28-nanometer technology, and the Samsung plant in the city produces chips for Apple. However, there are reports that Samsung could not use this technology to achieve mass production before the end of this year.
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