AMD Radeon RX 6950 XT Reference Design Review 36

AMD Radeon RX 6950 XT Reference Design Review

Value & Conclusion »

Overclocking

GPU-Z Screenshot for Overclocked Graphics Card

In order to see meaningful gains from overclocking, we had to increase the power limit to the maximum.

Memory overclocking is fairly complicated on all RX 6950 XT cards. Just setting the maximum memory clock to right before the system or application crashes will actually result in negative performance scaling. Rather, you should find your maximum GPU clock first. Once done, slowly increase memory clock step by step while monitoring actual performance. At some point, you'll notice performance plateau and then go down—that's your maximum memory clock.

Maximum Overclock Comparison
Avg. GPU ClockMax. Memory ClockPerformance
AMD RX 6950 XT Reference2521 MHz2325 MHz253.0 FPS
Gigabyte RX 6950 XT Gaming OC2738 MHz2250 MHz273.4 FPS
MSI RX 6950 XT Gaming X Trio2793 MHz2320 MHz279.5 FPS
Sapphire RX 6950 XT Pure2807 MHz2350 MHz279.2 FPS
Testing notes & interpretation
  • Overclocking results listed in this section are achieved with the default fan, power, and voltage settings as defined in the VGA BIOS. We choose this approach as it is the most realistic scenario for most users.
  • Each GPU, including each GPU of the same make and model, will overclock slightly differently based on random production variances.
  • The data in this table shows comparable overclocks using identical conditions from previous TechPowerUp reviews.

Overclocked Performance

Using these clock frequencies, we ran a quick test of Unigine Heaven to evaluate the gains from overclocking.

Overclocked Performance Unigine Heaven

Actual 3D performance gained from overclocking is 5.2%.
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