Huawei has unveiled what it claims is the world's thinnest Android smartphone - the Ascend P1 S, at the 2012 Consumer Electronics Show (CES), at Las Vegas. The Ascend is just 6.68mm thick and has a 960 x 540 4.3 inch Super AMOLED touch-screen display, which renders incredibly sharp images.

Meanwhile, news of Huawei's phone will probably disappoint Fujitsu, who had earlier claimed their Arrow ES as the world's thinnest Android-based phone. The Arrow ES has a 4-inch screen and is only 2mm thicker than the Ascend P1 S.

The Ascend P1 S runs on Android's newest release - the Ice Cream Sandwich - and has reasonably impressive tech specifications. It has 1GB of RAM and is powered by a dual-core 1.5 GHz Texas Instruments OMAP 4460 Cortex A9 processor, according to PC Magazine. The Ascend P1 S also has an 8 megapixel rear-facing camera that will be capable of recording 1080p HD videos and a 1.3 megapixel front-facing camera with Facial Recognition features.

The phone is expected to be priced at around $400.

Huawei is also releasing a slightly heavier version of the same phone and has named it Ascend P1. It is expected to have a bigger battery and is around 7.69mm thick. The Ascend P1 will get a 1670 mAh battery pack, while the Ascend P1 S will get a 1800 mAh battery pack.

The phones are expected be available in U.S. market by April.