When testing The Witcher 2, the GTX 680 slipped 4% behind the HD 7970. However, Gainward’s overclocked card filled that gap and then some with a 6% performance increase.
The GTX 680 was 23% faster than the HD 7970, 42% faster than the GTX 580 and 16% faster than the HD 6990 in Skyrim, while the Phantom offered another 8% more performance. Meanwhile the GTX 680 Phantom provided an 8% (5fps) improvement.