Benchmarks: Aliens vs. Predator, Alan Wake
The GTX 660 Ti in SLI averaged 31% faster than the HD 7850 in Crossfire, and more importantly, 41% faster than the GTX 680. Although the HD 7850 Crossfire cards did well with an average of 58fps, they were 5% slower than the Radeon HD 7970.
At 5760x1080, the GTX 660 Ti duo managed 36% more frames than the HD 7850s and it was again 41% faster than the GTX 680, while the HD 7850 in Crossfire was 6% slower than the HD 7970 but 4% faster than the GTX 680.
Alan Wake also favors the GTX 660 Ti SLI cards, allowing them to deliver 41% better results than the GTX 680 and 17% faster than the HD 7970, which was 5% faster than the pair of HD 7850s.
When testing Alan Wake at 5760x1080, the GTX 660 Ti SLI cards were 23% faster than the HD 7970 and 43% faster than the GTX 680. The HD 7850s also fared well, matching the HD 7970 and beating the GTX 680 by a solid 17% margin.