Asus 3080 TUF OC 12GB 105*c hotspot?!

[C6ckneyGeezer]

Hi all!

I noticed my Asus 3080 TUF OC 12GB hitting the temp limit in GPUZ. On further investigation highest GPU temp is 75*c, but I have a hotspot temp of 105*c!

I have an overclocking profile set in Afterburner to undervolt the card to 0.950v and have custom fan curve for the fans to hit 100% at 50*c. Also tried the card at total stock with same temp results but lower bench scores.

Should I be worried about a hotspot at 105*c? I guess this explain the temp limit even though I have a GPU temp of 75*c?

I miss my 1080Ti, such a good card for it's time.

Edti: Spec in sig. I also have 1x 140mm exhaust fan and 3x 120mm intake fans. They run at 100% when my CPU reaches 50*c. So general cooling shouldn't be an issue.

Edit 2: the card is just over 1 year old.

 

[eeii]

Do you have an exhaust fan at the rear on the roof as I have found that really helps. Unfortunately that’s a big difference between the hot spot and normal temp it could mean a repaste.

 

[Finners]

Have you ever replaced the thermal pads? Or is it a used card and the previous owner might have done it.

I've only seen such big deltas after the card has been stripped down for whatever reason and the paste has been replaced and slowly "pump out" over time.

If you bought it new I would RMA it so you don't void your warranty yourself stripping it down and replacing the paste.

If you google 3080/3090 repaste and pump out you'll see that that these cards can be finicky to get a repaste that is stable as apparently the GPU dies are slightly concave and with the high mounting pressure it pumps out

 

[C6ckneyGeezer]

Do you have an exhaust fan at the rear on the roof as I have found that really helps. Unfortunately that’s a big difference between the hot spot and normal temp it could mean a repaste.

Just 1x 140 exhaust fan atm tbh. See below for re-paste, thank you!

Have you ever replaced the thermal pads? Or is it a used card and the previous owner might have done it.

I've only seen such big deltas after the card has been stripped down for whatever reason and the paste has been replaced and slowly "pump out" over time.

If you bought it new I would RMA it so you don't void your warranty yourself stripping it down and replacing the paste.

If you google 3080/3090 repaste and pump out you'll see that that these cards can be finicky to get a repaste that is stable as apparently the GPU dies are slightly concave and with the high mounting pressure it pumps out

I have never repasted or replaced the pads tbf. And it was new when I bought it. Re-paste below, thank you!



Well it seems the paste was the issue! Check out one side of the die and heatsink!

I cleaned everything up and done a re-paste using the spread method with some Noctua NT-H1. I usually use Thermal Grizzly as my go to paste but ran out.

Running the same settings and the same bench mark:

Max GPU temp = 60.3*c
Max Hotspot = 69.2*c
Max Memory = 74*c

No more hitting the thermal throttle at all! YAY!

Thanks guys

 

[Finners]

Just 1x 140 exhaust fan atm tbh. See below for re-paste, thank you!

I have never repasted or replaced the pads tbf. And it was new when I bought it. Re-paste below, thank you!



Well it seems the paste was the issue! Check out one side of the die and heatsink!

I cleaned everything up and done a re-paste using the spread method with some Noctua NT-H1. I usually use Thermal Grizzly as my go to paste but ran out.

Running the same settings and the same bench mark:

Max GPU temp = 60.3*c
Max Hotspot = 69.2*c
Max Memory = 74*c

No more hitting the thermal throttle at all! YAY!

Thanks guys

Glad your sorted it, keep an eye on the hotspot temp though. I'm currently on my 4th or 5th re-paste as it has pumped out on me and that's using different thermal pastes each time and when looking for which paste to buy NT-H1 came up as one of the worst for pumping out!

It does seem some like me have it worse than others and it all depends on the flatness of your die and cooler plate and thickness of thermal paste all combined

 

[C6ckneyGeezer]

Glad your sorted it, keep an eye on the hotspot temp though. I'm currently on my 4th or 5th re-paste as it has pumped out on me and that's using different thermal pastes each time and when looking for which paste to buy NT-H1 came up as one of the worst for pumping out!

It does seem some like me have it worse than others and it all depends on the flatness of your die and cooler plate and thickness of thermal paste all combined

Yes thank you I shall keep and eye on it.

I just realise as well, my GPU is vertical mounted in the case. It's as if all the thermal paste has started to run down and out in the name of mavity?!

You can see from the top edge there was enough paste as it's spread over the edge of the die. But now you can see 1/4 of the die is pretty bare in the same area!