Oblivion
We saved a specific movement in order for it to be always identical and the test reproducible. Of course, HDR was activated.
All multi-card solutions are CPU limited here and a single graphic card is generally enough even if two add a little more comfort in 2560x1600.
Once FSAA 4x is activated, multi-card solutions become useful. Note the good results of the Radeon HD 3870 in CrossFire which is almost equal to the GeForce 8800 Ultra in SLI. Triple and quad GPUs are limited here by the CPU.
