Just Cause 2
Just Cause 2 is a good illustration of why the regular Radeon HD 7970 had to be transformed into the GHz Edition to compete with the GeForce GTX 680. The previous flagship card from AMD used to lag behind its competitor whereas the GHz Edition is just as fast as the Nvidia solution here.
Aliens vs. Predator (2010)
The Radeon HD 7970 was already better than the GeForce GTX 680 in Aliens vs. Predator (2010), so its GHz Edition version enjoys a large advantage, up to 44% at the highest settings.
Lost Planet 2
The increased clock rates of the AMD Radeon HD 7970 GHz Edition do not help it compete with the GeForce GTX 680 in Lost Planet 2:
The gap narrows, but the Nvidia-based solutions are still superior in this game.
Sid Meier’s Civilization V
Civilization V fans have only one choice as the AMD-based solutions beat their opponents by up to 67%.
Total War: Shogun 2
Until the latest update for Total War: Shogun 2 which is installed by Steam automatically, Nvidia-based cards were competitive against AMD-based solutions, but now the situation is different:
We could see the same picture a couple of months ago when Nvidia managed to improve its standing in this game by releasing a driver update. We’ll see if the company can perform the same trick twice, but for now the GeForce GTX 680 is on the losing side here.