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4790K a hothead?

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Posted · Original PosterOP

I'm trying to test out an i7 4790K, but the only cooler I have to test with is a CM Hyper TX3 (92mm), and unfortunately I don't have the stock fan, so I'm using another 92mm I had around which sounds like a jet engine (must be doing a good 3000rpm). Even with the fan going mental, the CPU is reaching close to 80C stock clocked on the nastiest part of Prime95 balanced test. I've tested a lot of chips and never seen one get this hot with 'ok' cooling at stock clocks. I'm sure the seating of the cooler is ok. Should I be worried or is this normal?

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It's hard to tell without having all the info... have you checked what voltage is the cpu running at? if you have it set on auto in the BIOS/UEFI it could maybe spike up the voltage much higher than it needs to when it's under high load such as prime95 which is pretty intensive and can generate a lot more heat than if the processor was under a actual real load.

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The tx3 is pretty small, not really gonna be the ideal cooler for the 4790k. 80C is fine as a peak temp, but is that cooler really "ok" cooling?

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TX3 is a mediocre cooler, even with it's original fan. A Hyper 212 is bare minimum for playing with a 4790k in my opinion and experience.


That being said, I've used a TX3 to cool a 4690k and even overclocked never saw temps higher than low 70s. Possible you have a dud 4790k, or your voltage is just way too high but without some better cooling to compare it with it's hard to say.

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Seems like an accurate turnout. 


What all does the test consist of? 

Delid and get a real cooler or let it bake assuming it won’t be at load like that for long periods. 

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