Benchmarks: Alan Wake, King Arthur II
With 48fps, the GTX 660 matched the Radeon HD 7870 in Alan Wake, while being 17% faster than the HD 7850. The overclocked Gigabyte card only rendered an additional frame per second.
The GTX 660 offered only 25fps in King Arthur II at 1920x1200, putting it 22% behind the GTX 660 Ti and 14% behind the HD 7870. Nonetheless, it was on par with the HD 7850 and 39% faster than the GTX 560 Ti.