Radeon HD 7950 vs. GeForce GTX 680 On Linux
 

The Phoronix crew has pit the Radeon HD 7950 against the GeForce GTX 680 on Linux. All you alternative OS types out there ought to head on over and check it out. Should you be looking towards purchasing a new high-end graphics card from AMD or NVIDIA, here are some updated benchmarks of the AMD Radeon HD 7950 and NVIDIA GeForce GTX 680 when both graphics cards were tested under Ubuntu 12.04 with their proprietary Linux graphics drivers.

http://www.hardocp.com/news/2012/06/..._680_on_linux/