Nvidia RTX 4090 Founders Edition 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.

Reducing fan speed by 2% on each fan saw our 4090 hit 40dBa, with temperatures increasing by a couple of degrees for both the GPU and hot spot. Again, we've no comparisons for this data just yet, but we will do shortly when we are able to test a range of AIB cards.

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