Xbox reveal event. The system will feature 8 GB of system memory, USB 3.0 ports, an 8-core CPU, 64-bit architecture, built-in Wi-Fi and HDMI in/out ports. Whitten also noted that the Xbox One's architecture uses three operating systems.
Microsoft also revealed details on the next-gen Kinect sensor and the Xbox One's controller at the event.
Update: We've compared the Xbox One and PlayStation 4's specs.