Multi-GPU: Radeon 6950> GeForce GTX 570

You thought the GeForce GTX 570 than the Radeon HD 69502 Gb? Base is indeed the case, with variable advance following the games. The situation is different with 2 then 3 graphics cards ...

• MSI offers up new R6950 Twin Frozr III Power Edition video card (09/03/2011)
• NVIDIA GeForce GTX 560 Ti unveiled: up to 46% faster than Radeon HD 6950 (25/01/2011)
• Beastly NVIDIA GeForce GTX 590 release dated (09/03/2011)
• AMD launches Radeon HD 6990 powerhouse for $699, maintains 'world's fastest' title (08/03/2011)
• AMD Radeon HD 6970, 6950 benchmarks: Good, but can't beat Nvidia GeForce GTX 580 (16/12/2010)

GeForce 200 Series (wikipedia)  Graphics processing unit (wikipedia)  Scalable Parallel Programming with CUDA on Manycore GPUs (youtube)