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Apple A5X

System-on-a-chip designed by Apple Inc

Field	Value
name	Apple A5X
image	Apple A5X Chip.jpg
image_size	framelessupright=1.25
produced-start	March 16, 2012
produced-end	October 23, 2012
slowest	1 GHz
size-from	45 nm
designfirm	Apple Inc.
manuf1	Samsung Electronics
arch	ARMv7
microarch	ARM Cortex-A9
code	S5L8945X
numcores	2
l1cache	32 KB instruction + 32 KB data
l2cache	1 MB
gpu	PowerVR SGX543MP4 (quad-core)
application	Mobile
successor	Apple A6X
variant	Apple A5

| produced-start = March 16, 2012 | produced-end = October 23, 2012 | slow-unit = | fast-unit = | size-from = 45 nm | size-to = The Apple A5X is a 32-bit system on a chip (SoC) designed by Apple Inc., part of the Apple silicon series, and manufactured by Samsung. It was introduced with and only used in the third-generation iPad, on March 7, 2012. The A5X is a high-performance variant of the Apple A5. Apple claimed the quad-core PowerVR SGX543MP4 graphics processing unit (GPU) in the A5X is two times faster than the GPU in the A5, as the A5X GPU contains two more cores than the dual-core version GPU in the A5.

The last operating system update Apple provided for a mobile device containing an A5X (third-generation iPad cellular models) was iOS 9.3.6, which was released on July 22, 2019 as it was discontinued with the release of iOS 10 in 2016.

Design

Apple designed the A5X chip specifically for the third-generation iPad to provide the additional graphical performance it required for its new Retina display. The A5X chip features a dual-core 45 nm ARM Cortex-A9 CPU with a clock rate of 1 GHz, and a quad-core 32 nm PowerVR SGX543MP4 GPU with a clock rate of 250 MHz. Compared to the A5, the memory interface of the A5X is twice the size. The A5X memory interface subsystem utilizes four 32 bits wide LPDDR2 memory controllers.

Unlike the Apple A4 and the A5, the A5X uses a metal heat spreader (along with thermal paste) to cover the flip chip underneath. The die takes up 162.94 mm2 of area—a 36.5% increase in area used over the 119.32 mm2 die of the S5L8940 version of the A5. The A5X does not use the package on package (PoP) method of installation to support RAM—RAM is found externally from the A5X chip.

Products featuring the Apple A5X

iPad (3rd generation)

References

(March 16, 2012). "The New iPad: A Closer Look Inside". Chipworks.
(March 19, 2012). "The Apple A5X versus the A5 and A4 – Big Is Beautiful". Chipworks.
Straker, Fred. (February 22, 2012). "What is the Apple A5X Processor?". The iPad Guide.
(March 28, 2012). "The Apple iPad Review (2012): The A5X SoC". AnandTech.
(March 7, 2012). "Apple Launches New iPad". [[Apple Inc..
(15 March 2012). "iFixit 3rd generation iPad teardown".
(March 28, 2012). "The Apple iPad Review (2012): The GPU". AnandTech.
(2012-03-15). "iPad 3 4G Teardown".
(2012-03-19). "The New iPad: A Closer Look Inside » Recent Teardowns » Chipworks".

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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