Metro 2033: The Last Refuge
The Radeon goes ahead in Metro 2033: The Last Refuge, the Nvidia-based solutions competing with each other. The Zotac GeForce GTX 680 AMP! Edition is 9-10% ahead of its reference cousin.
Aliens vs. Predator (2010)
The Radeon has an advantage in Aliens vs. Predator (2010). The Zotac GeForce GTX 680 AMP! Edition can only resist the Radeon HD 7970 GHz Edition when there's no antialiasing. When we turn 4x MSAA on, the Zotac can’t compete with the Radeon despite its good overclocking.
Total War: Shogun 2
The GeForce 304.48 beta driver has brought the performance of the GeForce GTX 6xx series back to its previously high level in Total War: Shogun 2. Meanwhile, AMD’s Catalyst 12.7 beta doesn’t change anything in the Radeon HD 7970’s behavior here. That’s why the green team are as fast as the read one and even go ahead when antialiasing is turned on.
Crysis 2 and Battlefield 3 produce the same standings: the pre-overclocked GeForce GTX 680 from Zotac is about as fast as the Radeon HD 7970 GHz Edition.