I'm currently seeing temperatures between 74°C and 80°C on my RTX 3080 Gigabyte Turbo, which is a blower-style GPU. I recently came across a comment on a YouTube video suggesting that when noise becomes a problem, a good fix is to zip-tie an 80mm or 92mm Noctua fan right over the blower fan to push fresh air into the card. This reportedly drops the temperature by about 8 to 10 degrees and reduces the blower fan's RPMs by around 30%. I also have a fan positioned under my GPU, but it's just a stock case fan, and I suspect it operates below 1200 RPM. Would switching it out for a stronger fan (one in the range of 2000 to 3300 RPM with higher static pressure) actually help lower my GPU temperatures?
3 Answers
From my experience, 74-80°C isn’t alarming for that card type. Blower GPUs tend to run hot, especially in cases with poor airflow. If it's bugging you, maybe consider the fan swap, but I'd say you're fine as is.
Honestly, 80°C for a blower-style 3080 is pretty normal and nothing to stress over. But hey, if you're curious, feel free to try out the fan mod! It could be interesting to see if it helps you out a bit, even if just for noise reduction.
I used to have similar temp issues with my 3080 FE, and it could just be that the card runs hot, especially in a cramped case. Definitely keep an eye on hotspot temperatures, though. They can give you a better idea of how the card's doing overall.
Well, I did check and my hotspot temp is around 105°C. Is that bad?