#tegra4i Just a little more than a month after announcing the Tegra 4 processor, Nvidia's back with another mobile chipset, the Tegra T4i, which comes with an integrated LTE modem. The new chip is designed specifically for use with smartphones (as opposed to smartphones and tablets. It has a slightly jucier quad-core 2.3GHz Cortex-A9 CPU, but only 60 GPU cores (as opposed to 72 on the Tegra 4).