CPU Running Hot After Upgrade

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D Tom

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Aug 16, 2015
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Hello all,

I recently upgraded my PC by adding a EVGA 980 TI GPU and an ASUS ROG 2k monitor. However, my temps have gone up drastically on my CPU. I used to idle at 32C with my regular 980 and under load it would usually hover around 45-50C. Now I'm idling at 45-50C and under load is anywhere from 55-70C depending on what games I play, which then causes all my fans to panic and turn up to maximum to help cool off my CPU. Now I know these temps are too high, but does the 980 TI really run this hot? I installed two 120mm fans today (One exhaust and one pushing in) and it did not change my temps at all.

My setup:
- Intel i7 4790k @ 4ghz / Not OC'd
- Hyper 212 Evo
- EVGA 980 TI SC ACX 2.0
- ASUS Z97 mobo
- Phanteks Pro case
- Seasonic 1050 PSU
- 4 fans / One 200mm on the front, two 120mm's at the back for exhaust, and one 120mm at the bottom to push air in

Thanks.
 
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D Tom

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Aug 16, 2015
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I use CPUID for my temps, and oh man I hope I didn't knock it loose when I put it in. I was very careful but I guess it's a possibility. In that case can you recommend me a good thermal paste? I might as well check.

 
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D

D Tom

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Aug 16, 2015
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Nope, same size. I'm going to WalMart today to get some Arctic Silver thermal paste and we will see if that does the trick.

 
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DonkeyOatie

DonkeyOatie

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Sep 16, 2014
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'cracked' is an abbreviation for 'degraded the contact between CPU and paste or paste and cooler to the detriment of thermal efficiency'. This is possible with older and 'set' paste.

I don't see how replacing a card will increase temps by 15C. The GTX 980ti is comparatively low wattage, so it can't be that much more than the old card 295x2 it's not.
 
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C

CSPhobos

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Aug 12, 2015
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I definitely recommend removing the CPU cooler, cleaning off the old thermal paste, applying a nice new thin layer (don't add too much, or you will add space between cooler and cpu, causing less heat transfer). I see you're getting some from Walmart. Good stuff.

It also does look like the GPU normally gets hot. http://www.tomshardware.com/reviews/nvidia-geforce-gtx-980-ti,4164-8.html. It also seems to get worse if you run 144Hz instead of 60~120Hz display modes.

I also recommend making sure to keep your ambient temperature around your computer cool, keep the fans from being blocked, and try to blow out/vacuum the dust buildup inside of your computer.
 
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