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Is 48 C Package i5-2500k Idle Normal With Hyper 212 Evo?

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  • CPUs
  • Core
  • Thermal Compound
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July 24, 2012 9:45:00 PM

Hello,

So I built my computer, and now I'm worried that my thermal paste application was bad. I had to move around the heatsink, and I used the "drop in the middle" technique (where the cooler itself spreads the paste). When I picked it up to move it, A corner was not covered by the paste. Now, under CPUID Hardware Monitor, I have the following temps idle with 100% CPU fan speed:

Core 0: 46
Core 1: 43
Core 2: 40
Core 3: 38
Package: 46

All I have open is Speedfan, Hardware Monitor, and Chrome. 100% CPU fan speed. Hyper 212 Evo, i5-2500k, ASRock Z68 Extreme3 Gen3 motherboard. Should I reapply thermal paste?

One last thing to note. Because of RAM, the fan for the heatsink is intaking from the GPU's exhaust (so the GPU is blowing into the intake of the CPU cooler). However, my GPU isn't under load! (It's at 31 C).

Thanks!

More about : package 2500k idle normal hyper 212 evo

July 24, 2012 9:50:21 PM

It looks like its pretty high, I would clean that puppy off and reapply. Even if you live in a desert thats a hot CPU, even if it was on a stock cooler. The 212 should be keeping that at around 28 on idle.
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a c 283 à CPUs
July 24, 2012 9:51:05 PM

No, that's not normal. Even with a VERY warm room temp (83F) and a YouTube video playing in the background, my 2500K (with a 212 Evo, as well, although in push/pull) has a package temp of 35C right now.

Even though I doubt it's causing THIS problem, it's still best to install a 212 Evo the other way (parallel to the RAM slots). Just move the fan to the other side of the heatsink, if you have to. You can also just raise the fan up slightly to fit over the RAM, as well.
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July 24, 2012 9:59:40 PM

Hmm... okay. stant1rm, are you sure about the 28 idle? That seems way lower than I've seen. After cooling it off for a bit on 100% CPU fan, I've got it on 38 package (hottest core is at 38).

So I've got Vengeance RAM, which blocks a good quarter of the fan. I'll raise it up as you said, and it'll give me an excuse to reapply thermal paste. I can do all of this in the case, right?

I saw amuffin's thermal paste thread. Just alcohol to clean it off, right?
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a c 283 à CPUs
July 24, 2012 10:06:19 PM

ddan49 said:
Hmm... okay. stant1rm, are you sure about the 28 idle? That seems way lower than I've seen. After cooling it off for a bit on 100% CPU fan, I've got it on 38 package (hottest core is at 38).

So I've got Vengeance RAM, which blocks a good quarter of the fan. I'll raise it up as you said, and it'll give me an excuse to reapply thermal paste. I can do all of this in the case, right?

I saw amuffin's thermal paste thread. Just alcohol to clean it off, right?


To the first part of that, when my room temps are actually cool, my 2500K idles at ~27-28C, so yeah, it's doable.

Second, yes, you can do all of that in the case.

And third, yep, just normal rubbing alcohol (Isopropyl), is all you need for that (along with something that won't create a lot of lint when you're cleaning).
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July 24, 2012 10:06:57 PM

No lint? That's harder... is a tissue okay? Paper towel? THIS IS SO HARD!
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July 24, 2012 10:32:56 PM

Use a cotton ball, or q-tip. That's what I use. And 28 is very, very doable.
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July 24, 2012 10:34:08 PM

No tissue/ paper towel is not the best idea, cotton or microfiber cloth.

NOTE: Touch case when it plugged in to remove static, never known anyone to kill HW with static... but
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July 24, 2012 10:39:47 PM

Oh yeah, q-tips are wicked! used em, great for detailing.
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July 24, 2012 10:49:52 PM

Wait... cotton balls won't leave residue?
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a c 283 à CPUs
July 24, 2012 11:03:15 PM

A damp paper towel is actually ok as long as you watch out for the lint. Cotton balls and q-tips are actually NOT recommended. They're lint making machines, lol.
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July 24, 2012 11:14:29 PM

Hmm... last question. After I reapply thermal paste, I won't need to redo anything in the BIOS or anything, right? Nothing will be erased?
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a c 283 à CPUs
July 24, 2012 11:15:38 PM

ddan49 said:
Hmm... last question. After I reapply thermal paste, I won't need to redo anything in the BIOS or anything, right? Nothing will be erased?


Nope, you'll be good to go. :) 
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July 24, 2012 11:19:38 PM

Best answer selected by ddan49.
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July 24, 2012 11:20:54 PM

Hmm... I hope I have time to do this today. Still haven't OCed... nervous about that. Anyway, second time's the charm! (Not third or anything...)
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a c 283 à CPUs
July 24, 2012 11:23:55 PM

ddan49 said:
Hmm... I hope I have time to do this today. Still haven't OCed... nervous about that. Anyway, second time's the charm! (Not third or anything...)


Good luck on that (and your future OC'ing)! :)  :) 
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