this post was submitted on 05 Jan 2025
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[–] randombullet@programming.dev 3 points 3 days ago

No undervolting reduces power consumption.

I have a undervolt curve on my GPU and I get about 2-3% better performance for 90% of the tdp.

It's because consumer GPUs try to max out their TDP pretty much at any cost with no individual refinement. Undervolting is pretty much tailoring a power profile to the silicon lottery.