ASUS RTX 4090 TUF Gaming OC Review

We take our noise measurements with the sound meter positioned 1 foot from the graphics card. I measured the noise floor to be 32 dBA, thus anything above this level can be attributed to the graphics cards. The power supply is passive for the entire power output range we tested all graphics cards in, while all CPU and system fans were disabled. A reading under load comes from running Metro Exodus Enhanced Edition for 30 minutes.

Noise levels are in-line, or even ahead of the competition depending on the BIOS used. The Performance BIOS is of course louder, with the fans ramping to 1620rpm, producing 39dBa of noise. The Quiet BIOS however, drops fan speed significantly to just 1210rpm, and that actually produced the lowest amount of fan noise for any RTX 4090 tested so far, hitting just 34dBa on our soundmeter.

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