Benchmarks: Crysis 2, Dragon Age II
Crysis 2 scaled very well as the HD 7770 and HD 7750 Crossfire setups delivered playable performance at 1920x1200 -- though the latter pair cut it close at 30fps. The HD 7770s were 91% faster than a single card, 75% faster than the HD 6870 and 50% faster than the GTX 560 Ti, while the HD 7750s were 67% faster than a single card, 25% faster than the HD 6870 and 7% faster than the GTX 560 Ti.
The HD 7770 Crossfire configuration managed 53fps at 1920x1200, pumping 29% more frames than the GTX 560 Ti and HD 6870. The HD 7750s were notably slower than their siblings, offering 39fps and slipping 5% behind the HD 6870 and GTX 560 Ti.