Huh ?
Guru3D uses the following games in their test suite, COD-MW, Bad Company 2, Dirt 2, Far Cry 2, Metro 2033, Dawn of Discovery, Crysis Warhead. Total fps (summing fps in each game @ 1920 x 1200) for the various options in parenthesis (single card / SL or CF) are tabulated below along with their cost in dollars per frame single card - CF or SLI:
6970 (526/825) 526 825 (57% scaling)
560 Ti - 900 Mhz (495/862) 495 862 (74% scaling)
570 (524/873) 524 873 (67% scaling)
580 (616/953) 616 953 (55% scaling)
The 6970's 825 fps in CF got beat by the 5580's 953
The 6970's 825 fps got beat by the 570's 873
The 6970's 825 gets beat by the 560 Ti (900Mhz) 862