Hotspot

[5ketch]

Hi,

I am currenty running a 3080ti FE with a corsair waterblock XG7 RGB using pre applied thermal paste and pads with 2 radiators cooling the GPU first in the loop. At idle my hotspot 70/71 and under heaven benchmark load it's at 104. From my little knowledge I know this is too high especially for a custom loop watercooled build.

Any advice is greatly appreciated.

 

[Jay85]

Check pads and thermal contact. Going from your idle temps i’d say the pads weren’t making proper contact.

 

[5ketch]

Thanks for the reply. Where is the hotspot measured? Is it on the core or mem chip/vrms?

 

[5ketch]

My GPU temp on highest load is at 58 but hotspot is 104 using heaven. Which means its thermal throttling at idle I'm getting 1665mhz and when load hits it drops to 1350mhz.

 

[Aretak]

Thanks for the reply. Where is the hotspot measured? Is it on the core or mem chip/vrms?

The hotspot reading is from the GPU die. Those contain a whole array of thermal sensors, and the hot spot measurement represents the hottest one. It's likely that your water block is making poor contact with the die at a specific point. Pre-applied thermal paste is generally a very thin layer, so that might be the cause. You'll probably want to remount it with a decent amount of a decent thermal paste applied by yourself.

 

[***F1ZZY***]

How long has the block been on? Sometimes the temps will improve as the thermal pads on other components squash and you get better core contact.

I have had temps drop about 15 degrees over the first couple of weeks before. However. Yours is very high. Definitely a core contact issue. I’d go for a remount as above.

 

[5ketch]

Fixed the issue...Corsair are so stupid the put a tiny bit of thermal paste on their water blocks...after draining the loop (massive ball ache) I took off the gpu block and the thermal paste was only overing 1 quarter of the core...1 QUARTER! ...cleaned it all and applied my own paste filled the loop again no more hotspot dropped to 45 ...Corsair need to sort their **** ...thanks for the advice much appreciated