PowerColor RX 7800 XT Hellhound Review

Following on from our stock thermal and acoustic testing, here we re-test the operating temperature of the GPU, but with noise levels normalised to 40dBa. This allows us to measure the efficiency of the overall cooling solution as varying noise levels as a result of more aggressive fan curves are no longer a factor.

The Hellhound is most impressive when we look at noise-normalised thermals. Here we raised fan speed to 55%, or 1750rpm, to hit 40dBa and test thermal performance again. This time the GPU peaked at just 49C, with the hot spot at 71C, making this the most efficient 7800 XT cooler we have tested – it is impressive stuff from PowerColor.

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