Sapphire HD7950 Overlock Edition Crossfire Review

We are using the latest version of Sapphire’s TriXX tool for overclocking today. This has proven to work great with all AMD discrete graphics hardware.

Both of the cards we received today overclocked to over 1,200mhz with some core voltage increases. One card achieved 1,209mhz and the other 1,215mhz. Memory performance on both cards was limited to around 1530mhz. These are sizeable overclocks and superior to the other samples we received today.

The massive overclock from both cards reaps huge rewards in 3dMark 11, increasing the score from 12,976 points to 15,406 points. Well ahead of the HD7970 Crossfire configuration (at reference speeds). These cards have clearly massive headroom.

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