Hey everyone! I recently ran some Heaven benchmarks to undervolt my EVGA 3080 Ti, and I noticed something concerning: the hotspot temperature is really high compared to the other GPU temps. I'm assuming this hotspot is on the GPU die. Could the old thermal paste be the culprit, or are there other factors that might be affecting the hotspot temperature? Here's a picture from HwInfo for reference: https://imgur.com/a/Z7FUl1t
3 Answers
If the hotspot temps are only spiking during benchmarks, it might not be a huge issue. Just keep an eye on it. If you see it hitting 110°C while gaming, then it’s definitely time to think about a repaste and maybe swapping out the thermal pads. Just a heads-up, the hotspot could also be due to the memory on GDDR6X cards.
Yeah, the hotspot is usually located on the die, and it should typically be around 15°C hotter than the GPU temps, not 35°C above and crossing 90°C. A repaste would definitely be a good idea because those high hotspots can really degrade the GPU's performance over time.
I had a similar issue with my 3080 Ti back in December; it hit 102°C at the hotspot! After inspecting it, I found the thermal paste was all dry and cracked. It had been running non-stop for about 4 years, so a repaste was overdue. Just so you know, a 10°C difference is normal, but anything above 91°C can lead to thermal throttling.
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