Benchmarks: Deus Ex, Hard Reset
The GTX 660 was 20% slower than the GTX 660 Ti when testing Deus Ex at 1920x1200, though it still managed to outpace the HD 7850 by 9% and fell only 5% behind the HD 7870.
The GTX 660 averaged 60fps in Hard Reset, a 25% lead on the HD 7850 and 3% on the HD 7870. It was also 25% faster than the GTX 560 Ti and 18% slower than the GTX 660 Ti. The overclocked GTX 660 only provided a modest 2fps boost.