The only time I tried this was doing a 7950/7970 cross fire set up. Benchmarks it was a bomb, but in games the gains were minimal to non existent
...not much time to post anymore, used to be awesome on here really good fond memories from VGchartz...
PSN: Skeeuk - XBL: SkeeUK - PC: Skeeuk
really miss the VGCHARTZ of 2008 - 2013...