i7 4790k running high temps 97 degrees celsius

sanhuy · Jul 17, 2014

my 4790k went up to 98 degrees when i stress test it with prime 95
i have a coolermaster hyper 212 evo with some old arctic silver 5 high density.
when i run aida64 stability test it stays around 80 degrees Celsius
it idles at about 35 degrees Celsius though
what should i do please help?

M0j0jojo · Jul 17, 2014

Well your seeing those temps because 99% of the CPU is being used so it is going to release a lot of heat. The Coolmaster hyper 212 evo is not a good cooler to use if your going to be ocing a lot.

sanhuy · Jul 17, 2014

The thing is im not overclocking

benikens · Jul 17, 2014

I'd consider re-seating your cooler because my assumption is that it's not on right.

sanhuy · Jul 17, 2014

i reaseted it is still going to like 99 degrees on prime 95 load. my room is pretty hot tho idk. and the intel turbo kicks in to 4.2 ghz
i cleaned paste of properly too. is it because the cooler master 212 sucks or is their sumthing i can do in my bios

volcanoscout · Jul 17, 2014

That kind of temp is slightly higher than you would expect to see with a stock cooler. The 212 isn't exactly a high-end cooler, but it should still be doing better than 98C. High 70s to mid 80s would be more reasonable, especially if your ambient temp is high.

I would try repasting again and reseating the cooler. Make sure it's properly tightened down - it doesn't need to be grrr'ed, but it needs to be tight. If the 212 is in good working shape and free of dust, and you're applying the paste correctly, really the only things left are an improperly tightened HSF or you have a bad chip. My money is on the HSF.

sanhuy · Jul 17, 2014

i turned turbo off and set the cores so they stay the same freq, now when i run prime 95 small ftts it runs from 75-85 degrees now much better then 99 degrees lol. i unmounted the fan and the heat sink reapplied thermal paste 2 times i tightened back plate and everything aswell my cooler master only spins 1000 rpm at max load though that seems kinda slow compared to my old amd stock heatsink running at 7000 rpm LOL! (it never went past 60 degrees celsius). im thinking about getting a new cpu cooler soon.

sora · Jul 17, 2014

I think you should definitely get a new CPU cooler and check what happens. I am surprised that reapplying the paste and reseating the CPU didn't help at all.

sanhuy · Jul 17, 2014

yeh i am going to go get an h100i tmmrw from the ncix store and then see what temps i get with that. if it is still bad,.. I guess i would have to rma, do you guys think it could be my motherboards fault for bad temps lol?

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