Tegra 4 officially announced, shown running Dead Trigger 2 and Unreal Engine 4

Nvidia officially revealed its next-generation mobile processor, Tegra 4, for mobile phones, tablets and notebooks at its pre-CES press conference.

According to Nvidia CEO Jen-Hsun Huang, the Tegra 4 will boast 72 GPUs and a quad-core A15, ARM's new CPU architecture.

Huang later showed a previously unseen game, Madfinger's Dead Trigger 2, running on the new processor, as well as a tech demo running Epic Games' Unreal Engine 4.