The LG Optimus 2X, also known as the LG Optimus Speed, was introduced in December 2010 as the first smartphone to incorporate a dual-core processor: the Nvidia Tegra 2 clocked at 1 GHz. Its 4-inch screen has a resolution of 480 x 800 pixels. Other features include an 8 MP camera with ability to capture video in high definition and an internal memory of 8 GB. The LG Optimus 2X comes with Android 2.3 Gingerbread version updatable to version 4.0 Ice Cream Sandwich. It also housed a 1,500 mAh battery.