The performance of the new chip is reportedly super fast than the Qualcomm Snapdragon S4 pro which uses four Krait cores. It's not a amazing fact since Tegra 4 is expected to feature four Cortex A-15 based cores and a one companion core to manage power. It's clear that Nvidia will give a good fight to other competitors like Qualcomm,Ti-OMAP and Exynos.
Nvidia Tegra 4 is supposed to perform twice as fast as the Tegra 3 and ten times faster than Tegra 2 dual core. Next, it comes to the graphic processing side. What will Nvidia plan to improve the graphics? Well, According to Nvidia, they have Testing a "Kepler" architecture based GPU instead of ULP Geforce GPU.
