Today we used Catalyst Control Center for the overclocking results. We asked Sapphire for an updated version of TriXX but sadly we had
We were able to maximise both sliders to 1050 mhz on the core and 1450mhz on the memory (5.8Gbps effective). We think there is more headroom on this core, but until we get a software tool which can open up the scale a little more we can't tell.
The increase on the clocks managed to push the score higher by 634 points, as shown above. At these speeds, the card is less than 200 points behind the GTX580, which is an incredible result.