The Nvidia CEO, Jen-Hsun Huang, announced something very interesting. It is the world's first 4K Android TV console, named the Tegra X1-powered Nvidia Shield. In NVIDIA's Shield, it pushes 4K content from a tiny device and, according to the CEO, makes it 35 times more powerful than the Apple TV.
It is a thin rectangle and Nvidia is proud that it looks nice "sitting flat or standing on its edge." Also proud that it can run Crysis (so long as there isn't too much going on on screen). It is "twice as powerful" as an Xbox 360.
It will be $200 with a controller included when it launches in May. There are also subscription options for streaming games (like PlayStation Now) using Nvidia's GRID+ system at 1080p and 60 FPS at the recommended 50mpbs internet speed. You can stream Batman: Arkham Knight using the service at launch. Like Steam Link ($50), you can also use the Shield to stream directly from your (Nvidia-powered) desktop.