[ ](http://www.engadget.com/2012/12/11/Allwinner-A20-A31-ARM-cortex-a7-processors/)
Whimsically monikered Chinese chip-maker [Allwinner](http://www.engadget.com/tag/allwinner+a10/) has added a pair of ARM Cortex-A7 processors to its lineup supporting Android 4.2 or higher systems. The A20 is a dual-core design with 512KB L2 cache, dual-core Mali 400 graphics and 2160p HD video playback support, while the quad-core A31 packs a 1MB cache, PowerVR SGX 544 graphics and UHDTV (4k) video decoding talents. The A20 is pin compatible with its Linux-hobbyist favorite sibling, the [A10](http://www.engadget.com/tag/allwinner+a10/) -- meaning devices such as the [MK802 mini-PC ](http://www.engadget.com/2012/06/20/mk802-mini-pc-factory-tour/)using that chip could likely be upgraded by manufacturers on the cheap. However, the more powerful A31 seems destined for higher-end Android or Windows RT devices only, considering its beefier [PowerVR](http://www.engadget.com/2012/11/02/ipad-4th-generation-found-carrying-new-powervr-sgx-554mp4-gpu/) graphics. On top of the extra zip, licensor Imagination Technologies keeps its source code cards close to the chest -- likely ruling out Linux for that chip.
Filed under: [Misc](http://www.engadget.com/category/misc/), [Tablets](http://www.engadget.com/category/tablets/)
**[Comments](http://www.engadget.com/2012/12/11/Allwinner-A20-A31-ARM-cortex-a7-processors/#comments)**
**Via:** [TG Daily](http://www.tgdaily.com/hardware-features/67971-allwinner-rolls-out-new-arm-powered-chips-for-android-devices)
**Source:** [Allwinner (translated)](http://translate.google.com/translate?sl=zh-CN&tl=en&js=n&prev=_t&hl=en&ie=UTF-8&eotf=1&u=http%3A%2F%2Fwww.allwinnertech.com%2Fproduct%2FA31.html&act=url)
URL: http://www.engadget.com/2012/12/11/Allwinner-A20-A31-ARM-cortex-a7-processors/
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