NVIDIA has announced the world’s fastest laptop graphics card, the NVIDIA GeForce GTX 580M and 570M. The GeForce GTX 580M is available now in the Alienware M17X and M18X, while the GeForce GTX 570M is shipping in the MSI GT780R.

The nVidia GeForce GTX 580M mobile graphics boast up to 384 processor cores, up to 1240MHz processor clock speed, up to 2GB of GDDR5 memory, up to 256-bit memory width, and up to 1500MHz memory clock speed.

The nVidia GeForce GTX 570M mobile graphics feature up to 336 processor cores, up to 1150MHz processor clock speed, up to 1.5GB or 3GB of GDDR5 memory, up to 192-bit memory width, and up to 1500MHz memory clock speed.

Both nVidia GeForce GTX 580M and 570M 40-nanometer cards supports DirectX11, OpenCL, PhysX, CUDA, 3D Vision, Verde drivers, Optimus, SLI, 3D Vision and 3DTV Play. They are also more efficient, with up to 20 percent better performance per watt than the previous generation.