NVIDIA Tegra 4 leak Coming with 72 GPU cores, 24nm process

Tegra 4 will use the same 4-PLUS-1 architecture as on the Tegra 3, however there will be 72 GPU cores.
the Tegra 4 will support 1440p encoding and decoding (2560 x 1440) as well as 2560×1600 24b or 4K display.

   Support for Secure Boot, h/w DRM, HDCP, USB 3.0 and Dual-channel DDR3L memory.

Via