Nvidia's upcoming Tegra 4 processor has been clocked by Fudzilla. The processor will feature the same quad-core setup as the Tegra 3 plus the fifth ninja 'battery saver' core. In terms of architecture, the processor will use a Cortex-A15, and the GPU will be "72-core," with 6 times the power of the current chips. Furthermore, and most importantly, the Tegra 4 uses the 28nm manufacturing ...