One new SoC per year? That's what NVIDIA pledged back in the fall of 2010 and today at its CES 2013 presser, it delivered with the Tegra 4's official unveiling. The chip, which retains the same 4-plus-1 arrangement of its predecessor, arrives with a whopping 72 GeForce GPU cores -- effectively offering 6x the Tegra 3's visual output and is based on the 28nm process. It also is the first quad-core processor with Cortex A15 cores on-board, and offers compatibility with LTE networks. NVIDIA claims this piece of silicon is the world's fastest mobile processor, and showed a demonstration in which a Tegra 4 went head-