Unigine Heaven Demo v2.1
In this DX11 benchmark, the single card configuration using the ASUS EAH6850 scored 28.8 fps. With the second card ASUS ENGTX 460 TOP added and run in Hydra mode, the score shoots up to 54.8 fps, a 90.27% improvement.
The ECS P67H2-A system, it scored 27.4 fps using a single card and 52.6 fps in Hydra mode. It seems that the AMD system can also match it’s graphics performance using a cheaper processor.