Approximately 1.8 inches high, 10.6 inches deep and 6.75 inches long.
Approximately 3.5 pounds (1.6 kg)
Wii U GamePad
The Wii U GamePad controller removes the traditional barriers between games, players and the TV by creating a second window into the video game world. The GamePad incorporates a 6.2-inch, 16:9 aspect ratio LCD touch screen, as well as traditional button controls and two analog sticks.
Inputs include a +Control Pad, L/R sticks, L/R stick buttons, A/B/X/Y buttons, L/R buttons, ZL/ZR buttons, Power button, HOME button, -/SELECT button, +/START button, and TV CONTROL button.
The GamePad also includes motion control (powered by an accelerometer, gyroscope and geomagnetic sensor), a front-facing camera, a microphone, stereo speakers, rumble features, a sensor bar, an included stylus and support for Near Field Communication (NFC) functionality.
It is powered by a rechargeable lithium-ion battery and weighs approximately 1.1 pounds (500 g).
The Wii U console is capable of supporting two Wii U GamePad controllers, up to four Wii Remote (or Wii Remote Plus) controllers or Wii U Pro Controllers, and Wii accessories such as the Nunchuk, Classic Controller and Wii Balance Board.
Supports 1080p, 1080i, 720p, 480p and 480i. Compatible cables include HDMI, Wii D-Terminal, Wii Component Video, Wii RGB, Wii S-Video Stereo AV and Wii AV.
The Wii U has 2GB of RAM, 1GB for gaming and 1GB for system memory.
IBM Power-based multi-core processor.
AMD Radeon-based High Definition GPU.
Wii U uses an internal flash memory (8 GB with the Basic Set; 32 GB with the Deluxe Set) for data storage. It also supports SDHC memory cards and external USB storage.
Wii U and Wii optical discs. Wii U optical discs have a 25 GB data capacity.
Wii U can be connected to the Internet via a wireless (IEEE 802.11b/g/n) connection. The console features four USB 2.0 connectors – two in the front and two in the rear – that support Wii LAN Adapters.
Nearly all Wii software and accessories can be used with Wii U.
Uses six-channel PCM linear output via HDMI connector, or analog output via the AV Multi Out connector.
Wii U utilizes specially designed power-saving features to lower its energy consumption.
This is a great chance to take a look at the makings of the next generation of consoles. The 2GB of RAM is way above the standard today (512MB in the 360), with a decent split between OS, on-board tech and games. The lack of specific details on the GPU and CPU worry me somewhat, though.