AMD Unveiled 4870 X2

Advanced Micro Devices (AMD) announced on Monday its most powerful graphics technology to date. The announcement also marks the current pinnacle of AMD's strategy to beat NVIDIA at the high end by building comparatively smaller chips and then ganging them up together for better performance.
The ATI Radeon HD4870 X2 graphics board houses two 4870 GPUs and competes with NVIDIA fastest board based on the GTX 280. The 4870 X2 will use 2GB of GDDR5 memory. The 4870 X2 is rated at 2.4 TFLOPs and communicates with memory at 230GB per second. It will integrate 1600 stream processors which do parallel processing on streams of data. The 4870 X2 is priced at $549. NVIDIA's GTX 280 is at $499 currently. The lower end 4850 X2 will be available in September for $399.

NVIDIA Enables PhysX on GeForce 8 Series

NVIDIA offers free applications to take advantage of the PhysX capabilities.
Owners of NVIDIA cards have long waited for a PhysX enabled driver that will allow the higher-end video cards to process physics on the GPU. Today, NVIDIA officially announced the driver that enable PhysX on GeForce 8 series and higher for free.
NVIDIA says that its PhysX technology is already being used in more than 140 shipping titles on the Sony Playstation 3, Microsoft Xbox 360, and Nintendo Wii. The GeForce Power Pack now activates PhysX on PC platform.
In addition to the driver that enables PhysX on 8 series, the GeForce Power Pack also includes free demos and applications that take advantage of the PhysX on the GPU.
The Power Pack includes a full version of Warmonger where the player destroys walls, floors, and entire buildings to open new paths and close existing ones. Also included is NVIDIA's Fluid Tech demo, NVIDIA's The Great Kulu tech demo, and a sneak peak of the upcoming game called Metal Knight Zero.