Project Shield was just announced at the NVIDIA Press Conference in Las Vegas, it has a Tegra 4 processor and can display 4k video over HDMI as shown during the press conference, a highly impressive feat. Details announced regarding specs are Tegra 4 included, a 33Wh battery which should last between 5-10 hours gaming or 24 hours of video playback, and sound processing that rivals beats audio laptops. However, it is a controller with a 5 inch 1080p screen latched onto it, with dual analog sticks, a D-pad, and extra buttons that perform proprietary actions It looks to be about the size of an Xbox 360 controller with a very similar layout. Emphasized was the fact that it runs pure android without a skin on it and has full access to the Google Play Store and has Gmail.
It runs stock android and has TegraZone integrated, and games were shown off being displayed at 4k resolution showing the power of the recently announced Tegra 4.
Also announced was the integration of Steam Big Picture which allows one to connect to a PC with a GTX Graphics Processor to stream to Shield, which can then be connected to a TV for a full gaming experience. The graphics are also streamed to the screen of the Shield which seems extremely crisp. Assasin’s Creed III and Need for Speed were shown off streaming through the PC and has access to games from Google Play and Steam. Steam Big Picture mode was automatically brought up once Shield was connected successfully. It was also said that instead of HDMI to display on the TV, it would be possible to stream images wirelessly in the near future. Pricing and availability were not announced.