Benchmarks: The Witcher 2, The Elder Scrolls V
The GTX 670 was 6% and 10% slower than the GTX 680 and HD 7970 when running The Witcher 2 at 2560x1600, though it maintained its edge over the GTX 580 and HD 7950, this time by 15% and 5%.
The GTX 670 averaged 61fps in Skyrim at 2560x1600, 5% than the GTX 680, 17% faster than the HD 7970 and 30% faster than the 7950.