Intel i7 3770K idling at 42°C, even with liquid cooling

dorkingtonpuglsy · Aug 25, 2013

I have an intel i7 3770K idling at around 42.5°C. My motherboard's an ASRock z77 extreme 4 and a Corsair h60. From what I've read, this is way too high of an idling temperature, especially with liquid cooling. What can I do to lower it?

JackNaylorPE · Aug 25, 2013

It is about 10C high for idle but the Corsair H60 cant keep pace with the better air coolers.

http://archive.benchmarkreviews.com/index.php?option=com_content&task=view&id=674&Itemid=62&limit=1&limitstart=4

Intel 950 OC'd to 4.025 Ghz

Coolit ECO A.L.C. 75.2 +13.4
Corsair H50 73.1 +11.3
Coolit Vantage A.L.C. (extreme) 73.0 +11.2
Prolimatech Super Mega 67.2 +5.4
Antec Kühler H2O 620 65.9 +4.1
Corsair H70 (high) 65.3 +3.5
Thermalright Venomous X 63.0 +1.2
Thermalright Silver Arrow 61.8 +0.0
Cooler Master V6 GT 61.2 -0.6

ur6beersaway · Aug 25, 2013

Too warm, unless your room is 108*F, did you apply your own paste or used the factory stuff?

http://www.frozencpu.com/products/3774/thr-16/Arctic_Silver_5_High-Density_Silver_Thermal_Compound_-_35_Grams_AS5-35G.html?tl=g8c127s447

gorgis · Aug 26, 2013

It is way too high. If the room temperature is about 38C, then its okay. Check if the heatsink is attached properly on the cpu and reapply thermal paste. As a thermal paste I recommend Arctic Silver 5. Its one of the best in the market. Then make sure the case has proper ventilation. One or two case fans are ok. Check if a cpu-thirsty application is running in the background. However I'd like to know your peak temps.

manofchalk · Aug 26, 2013

What's room temperature?

I find on my custom loop that my idle temps are typically about 10°C above room temperature, on a hot day my chip will idle at 45°C despite the ridiculous cooling I have on it. Hence the disadvantage of relying on ambient air to cool your components.
My old 212 EVO (which is roughly equivalent to the H60 in performance) was about 15°C above room temp. So if room temp is about 25-30°C then I'm not surprised your idling at about 42°C.

gorgis · Aug 26, 2013

manofchalk :

well, something is wrong with your setup maybe. I use Arctic Silver 5 thermal paste with a stock intel heatsink. My ventilation is awful as i dont have any case fans attached, the pc case is really crappy(Only some small holes for ventilation in the back panel) and the operating room temp is about 29C. Though my cpu idle temp is about 34C...

manofchalk · Aug 27, 2013

Hmm...
Looking at my idle temps now its about 18°C once you average the cores, and it definitely isnt 8°C room temp right now.
Maybe the Delta depends on time of year, scales with room temperature or some other factor like humidity, because I can definitely remember a time when that did hold true.

But yes, anyway, we need an ambient room temp before we can say whether your idling particularly high or not.

nimd4 · Jan 22, 2014

dorkingtonpuglsy :

Just upgraded this PC, from i5-2400 (Sandy) to i7-3770 (Ivy). today. Teh stock cooler gives the kinds of temperatures mentioned in the first post; screenshot @

P.S.
If anyone should happen to be running an MSI board, like me (Z68A-G43 (G3)), do yourself a favor and flash the BIOS prior to swapping-out / inserting the new chip; no matter what kind of *stupidity* they'd written on the site:

*MSI recommend you to update BIOS with ME8 only if you are using IvyBridge 22nm CPU.

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Intel i7 3770K idling at 42°C, even with liquid cooling

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