Nvidia is releaing their quad-core ARM Cortex-A15 processor, here demonstrating their Chimera camcorder and photography engine that enables fast and easy HDR photography and video recording. They have a special sensor and technology that allows one optical system to record enough range to create HDR video at full 1080p 30fps framerate enabling also HDR photography on all upcoming Tegra4 devices without needing to take more than one picture. Tegra4 can playback 4K video, it has a 72-core GPU enabling advanced graphics and GPU Compute and a lot of other features.