Crysis 2 shows that there’s little difference between same-class products. You can just as well purchase the cheapest of them, HIS Radeon HD 7850, since it is for some reason ahead of the Sapphire Radeon HD 7870 in certain test modes.
Battlefield 3 ranks the cards according to their price. The ASUS GeForce GTX 660 Ti is ahead, followed by the Sapphire Radeon HD 7870 and the overclocked ASUS GeForce GTX 660. At its default clock rates the latter is slightly faster than the HIS Radeon HD 7850. The Battlefield 3 results are a good illustration of the relative performance of these cards in general.
Sniper Elite V2 Benchmark
AMD-based solutions are traditionally strong in Sniper Elite V2. Today, the two Radeons are easily ahead of their Nvidia-based opponents, although the gap isn’t large.
The Radeon series is superior in this game, too: