Overclocking

The Diamond HD 3850 is coming at the default clocks of the AMD reference design, but allows quite some nice overclocking. Having a better cooler certainly helps here. We used ATITool and AMD overclocking software to adjust the clocks in order to detect the maximum stable clock frequency.



The final overclocks of our card are 749 MHz Core (12 % overclock) and 1062 MHz Memory (28 % overclock). Especially the memory overclock is very impressive, considering that the chips were selected for 1000 MHz operation.


The two slot cooler does quite a good job at keeping the card cool. Even though the temperatures are quite low it seems that the card overclocking is held back by the GPU and the voltage, not the temperature.