NVIDIA Kepler GeForce GTX 680 SLI Video Card Review
 

We've got two GeForce GTX 680 video cards to test SLI performance against Radeon HD 7970 CrossFireX. Will these less expensive GTX 680 video cards offer a better gameplay experience or choke at high resolutions due to a smaller VRAM footprint? We will prove to you which solution offers better efficiency and performance.

http://www.hardocp.com/article/2012/...card_revie w/