The GTX 660 rendered a comfortable 35fps in Crysis 2, allowing it to match the HD 7870 and beat the 7850 by a 13% margin. Moreover, it was just 5% slower than the GTX 660 Ti and 67% faster than the GTX 560 Ti.
Nvidia’s Kepler cards seem to perform much better in Dragon Age II compared their AMD equals, and this was certainly the case when comparing the GTX 660, which was 21% and 32% quicker than the HD 7870 and 7850, respectively.