With Overdrive disabled I was able to get the RV360 core up to a very respectable 580MHz. Even at this speed the temperature never went above 41°C during after any of the tests below. I also managed to reach a very respectable 345MHz on the memory which is even more impressive when you consider that I was only able to get 325MHz on the Sapphire 9600XT Ultimate Edition.

Remember however that Overclocking varies by card so your mileage may vary.

The chart below shows the difference between the stock 9600XT and overclocked 9600XT specifications.

As you can see in the charts below, the difference between the stock and overclocked specifications translate directly to 3D performance and gameplay.

3dMark03 Overclocking Application Preferences

1024x768   3701  4246  1280x1024   2667  3091  1600x1200   1888  2194   0 2500 5000 3DMarks ATI 9600XT ATI 9600XT @ 580/345

1024x768	1280x1024	1600x1200
+14.7%	+15.8%	+16.2%

3dMark03 Overclocking 2x AA / 4x AF

1024x768   2902  3350  1280x1024   2087  2417  1600x1200   1280  1472   0 2500 5000 3DMarks ATI 9600XT ATI 9600XT @ 580/345

1024x768	1280x1024	1600x1200
+15.4%	+15.8%	+15.0%

3dMark03 Overclocking 4x AA / 8x AF

1024x768   2030  2346  1280x1024   1435  1658  1600x1200   765  892   0 2500 5000 3DMarks ATI 9600XT ATI 9600XT @ 580/345

1024x768	1280x1024	1600x1200
+15.5%	+15.5%	+16.2%

Prince of Persia - Overclocking Application Preferences

1024x768   73.4  85.8  1280x960   51.6  59.9  1600x1200   33.0  38.7   0 50 100 Average Framerate ATI 9600XT ATI 9600XT @ 580/345

1024x768	1280x960	1600x1200
+16.8%	+16.0%	+17.2%