here is some leaked info on the 720
8 CPU cores at 1.6GHz, with a custom 800MHz graphics processor in the GPU. There are 8GB of RAM on board, with 32MB of fast embedded SRAM at double the throughput speed, and a 50GB-capable 6x Blu-ray drive. Wireless connectivity protocols include both Wi-Fi and Wi-Fi Direct, and there’s still a Gigabit Ethernet port for gamers with low latency multiplayer demands. It’ll also come with USB 3.0 and HDMI 1.4a, which supports 3D over HDMI, Ethernet, audio return channels and 4K resolution