NVidia has just announced a new GPU for laptops called the GTX580M, based on the Fermi architecture and boasting the most powerful performance ever offered in a notebook.

The first notebook PC to feature the GeForce GTX 580M, the Alienware M18x offers the option of two GeForce GTX 580M GPUs in one system for up to double the gaming performance, using NVIDIA SLI® technology. Not to be outdone, the Alienware M17x will offer the GeForce GTX 580M along with NVIDIA Optimus™ technology and will deliver 5 hours of battery life in Facebook, and 100 frames per second performance in Call of Duty: Black Ops.

It comes with every single feature NVidia offers: 3d Vision, 3DTV Play, Optimus, CUDA, Verde, and PhysX.

In other news, they also offered the 570M.

via Fastest. Notebook GPU. Ever. – NVIDIA Newsroom.