I have overlcocked my processor to 3,2ghz and still my radeon 4890 overclocked at 950/1100 is still go up in the 3dmark my 3dmark vantage GPU still at performance is not 11991 so 12k. I will overlcock 3,4ghz when am getting my cooler master v8 and see if is still go up by 100 and +. oh and my 3dmark score now from 11325 to now 11845 at 3,01ghz to 3,22ghz
2,33ghz - GPU 10114
2,80ghz - GPU 10346
3,01ghz - GPU 10533
3,01ghz - GPU 11596 clocked at 950/1100
3,22ghz - GPU 11991 clocked at 950/1100
2,33ghz - GPU 10114
2,80ghz - GPU 10346
3,01ghz - GPU 10533
3,01ghz - GPU 11596 clocked at 950/1100
3,22ghz - GPU 11991 clocked at 950/1100