For our temperature testing, we measure the peak GPU core temperature under load. A reading under load comes from running Cyberpunk 2077 for 30 minutes.
We can see a much greater difference in thermal performance when comparing the Amp Extreme Holo's two BIOS modes. The Amp BIOS saw the GPU peak at 68C, with a hotspot of 77C, compared to the Quiet BIOS which saw the GPU peak 8C hotter. Both results are still very competitive, and the Amp BIOS is actually the coolest temperatures we've seen from an air-cooled RTX 3090 Ti.