XFX R7950 Black Edition Review
3D Mark Vantage
Futuremark have always managed to make their benchmarks scale with clock speed and it shows with the XFX. The 100MHz increase in the stock speed gives an improvement over the reference HIS, but it hasn't quite got the legs at the top end of the overclock.
3D Mark 11
The newest version of 3D Mark repeats the trend, which the XFX showing its potential if you prefer to just put the card in and play.