Hyper 212 Evo - 90*C on i7 3770k

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edibile

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Sep 24, 2013
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Hi to all,
I installed an i7 3770k on a Gigabyte GA-Z77X-UP5TH, with a CM 212 Evo heatsink (using MX-4 paste).

I've set Vcore at 1.185 (fixed) with LLC to Extreme, and Turbo clock set to 4.4

When I run IBT "Very High" stress test I reach 90°C on the 4th core, while the 1st is 15-17*C lower!! Thus the CPU package reaches 90 C during the test..
My room temp is 24 C, and the case is opened.

I've also dismounted the cooler, and reapplied TIM 3 times, and every time I cleaned the surfaces using isopropyl 99% alcoohol..

Is 90*C normal for that VCore with a 212 cooler?
I've seen others running at no more 75-80 C at 1.2V with the 212 attached!

Thx to all!
 
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benjii

benjii

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Oct 29, 2010
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You have to bear in mind that overclocking isn't guaranteed and that some CPUs will be better than others. While it's certainly not a good result, I think you may just have to come to terms with losing the silicone lottery.

It seems like you've got all the bases covered, so I suggest you just go for a slower speed. As for the temperature differences, that's down to the IHS no longer being soldered to the die. That is quite a bad example, but nothing there's nothing you can do without delidding your CPU.
 
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burdenbound

burdenbound

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Aug 9, 2011
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I would leave your case closed, as long as you have proper air flow you should get better results because it will force the air to circulate and keep the pressure within the system.

And like it was mentioned before, not all chips are made equal, yours might not overclock the same as the benchmarks you see online.
 
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E

edibile

Honorable
Sep 24, 2013
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10,510
Thx to all for answering!

@benjii
I know that my chip isn't stellar, as I have to raise the Vcore up to reach a stable config..
But, in theory, the temp under 100% load (with the same test SW) is directly related to Vcore in IVB, so @ 1.2V (constant due to LLC Extreme) for example my temps should be comparable to others 3770k.. Is it right?

@namdlo
MX-4 maybe isn't stellar (but I've read it's in the top 5), but I don't think changing the paste can do more than 1-2 C of difference.. Do u agree?
I've tried to reapply 3 times, using different quantities and placements, but with no better results..
Maybe it's a defective cooler, but the surface seems planar (tested with a cutter)

Another question: does the "CPU Warning temperature" setting in Gigabyte boards really works? I've set the threshold at 60*C but when I reach 90*C during tests no alarms at all!
I read the temps using HWMonitor and RealTemp.. maybe they are wrong?

 
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DarkSable

DarkSable

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Sep 27, 2012
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Again, you're getting it confused with something else. One of it's major selling points is that it's NOT electrically conductive, and that it doesn't degrade over time like a lot of other pastes do.

Again, I reiterate that MX-4 is some of the best stuff out there.

(Also, liquid metal pastes still sell like hotcakes, because it's still the best thermal conductor out there.)
 
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E

edibile

Honorable
Sep 24, 2013
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10,510


I don't want to open a discussion on termal pastes here... My problem is getting 90 C where others are getting 75-80 and this CAN'T be related to the quality of TIM...
 
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DarkSable

DarkSable

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Sep 27, 2012
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Yeah, sorry. My guess is that the heatsink isn't seated quite correctly, especially when one core is that much hotter. Check all four posts to make sure that they're on solidly.

 
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E

edibile

Honorable
Sep 24, 2013
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10,510
All 4 screws doesn't rotate anymore, but the cooler rotates slightly when applying some pressure on it... I don't know if it's normal for the 212, but I have never seen a cooler rotating before
 
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M

MOTTO2

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Sep 12, 2013
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It is completely normal for the 212 to rotate a little bit if you push on it. I would think you either put too much paste or just applied it incorrectly. Try reseating your heatsink.
 
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E

edibile

Honorable
Sep 24, 2013
6
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10,510
Ok I've reseated the 212 for the 4th time, using a small blob in the centre, and after cleaning surfaces with Isopropyl 99%..
Same temps as before!

Now I'm trying Prime 95 Small FFT test with BIOS defaults, which give me a 3.9 turbo clock and 1.092 Vcore. TDP wattage is 67.5 W
Temp is stable at 70 C, and I'm not comfortable with it, as I'd expect no more than 60-65 C at this spec..

I'm running out of ideas. Maybe tomorrow I'll order another cooler, my trust in this 212 is gone..
Maybe I'll try a Corsair H80i, I know it isn't a real water cooler, but everything will be better than this crap!
 
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burdenbound

burdenbound

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Aug 9, 2011
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What kind of airflow do you currently have in your case? Are you sure the fan on the heatsink is pointing the correct direction? What is your ambient temperature compared to the temperature in the benchmarks you are looking at?
 
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E

edibile

Honorable
Sep 24, 2013
6
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10,510


I'm running in a Nanoxia Deep Silence 1, with 2 120 fans in the front and 1 in the rear. Also the PSU is sucking air out of the case.
The fan on the cooler is sucking air from the front inside the blades and pointing towards the rear where is located the outtake fan.

Ambient temps are between 22-24 C. Running with opened case doesn't change so much, only small fluctuations (1-2 C)
 
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