The Crossfired HD 7770s fared pretty well in Skyrim, edging ahead of the HD 6870 by 54% and GTX 560 Ti by 47%. The HD 7750s were also 20% and 14% faster than the HD 6870 and GTX 560 Ti, pumping 49fps at 1920x1200.
Both Crossfire Radeon setups delivered a satisfactory showing in The Witcher 2, providing 91% and 81% more performance over their single-card configurations and outpacing the HD 6870 and GTX 560 Ti.