With many non-Apple players turning aggressively to the 7-inch tablet PC segment, ViewSonic and Lenovo are both showcasing their latest 7-inch models at CES 2012.

ViewSonic's E70 features a 7-inch panel, 4GB storage space, camera and supports Wi-Fi. The system uses M-Logic's 1GHz processor and Android 4.0, and is selling at US$169.

Meanwhile, Lenovo has displayed its 7-inch S2007 tablet PC, featuring a dual-core 1.5GHz processor, two cameras and a battery-life of eight hours.