NVIDIA today announced the the NVIDIA GeForce GTX 580M, possibly the wordl's fastest GPU for mobile devices, available now in the Alienware M18x laptop.

The new GPU will also be available soon in the Alienware M17x notebook along with NVIDIA Optimus technology.

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 using NVIDIA SLI technology. Not to be outdone, the Alienware M17x will offer the GeForce GTX 580M along with NVIDIA Optimus technology and promises to deliver 5 hours of battery life in Facebook, and 100 frames per second performance in Call of Duty: Black Ops.

Nvidia claims that the GeForce GTX 580M GPUs are offering up to six times the tessellation performance of any other notebook GPU. They are also more efficient, with up to 20 percent better performance per watt than Nvidia's previous generation.

NVIDIA also introduced the NVIDIA GeForce GTX 570M GPU, which offers 20 percent faster performance than the previous generation product it replaces.

The new GeForce GTX GPUs also support NVIDIA 3D Vision technology, NVIDIA 3DTV Play software for connecting 3D Vision-based notebooks to 3D TVs, NVIDIA SLI technology, NVIDIA Optimus technology, which is automatically switching on and off the GPU so that it runs only when needed, NVIDIA PhysX, NVIDIA CUDA and NVIDIA Verde notebook drivers.