i7-4790k Heating issue
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- Intel i7
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Last response: in CPUs
Nerotix
July 27, 2014 5:17:35 AM
Hello All,
Yesterday I bought a new mobo + cpu (i7 4790k + Asus Maximus VI Hero). After installing and configuring everything it seemed to be working fine. After doing some stress/stability tests, it seems the CPU gets very hot in a matter of seconds, around 86C. I'm using a Corsair H80i as an intake, so it cools the radiator with cold air from outside. In the front I have 2 intakes for cold air. On the bottom I have 1 intake and on the top I have 1 140mm exhaust that blows all the hot air outside. If I remove my side panels and run the stress/stability tests.. it doesnt get hotter then 55C. But as soon as I put them back on, and do the test, its easily 85C+ again in a matter of seconds. I'm using a Fractal Design R4.
Any idea what I could do to improve the temps when the case is closed?
This is the airflow of my case atm:
http://i57.tinypic.com/33k54pz.jpg
http://i57.tinypic.com/zn8ljb.jpg
Thanks
Yesterday I bought a new mobo + cpu (i7 4790k + Asus Maximus VI Hero). After installing and configuring everything it seemed to be working fine. After doing some stress/stability tests, it seems the CPU gets very hot in a matter of seconds, around 86C. I'm using a Corsair H80i as an intake, so it cools the radiator with cold air from outside. In the front I have 2 intakes for cold air. On the bottom I have 1 intake and on the top I have 1 140mm exhaust that blows all the hot air outside. If I remove my side panels and run the stress/stability tests.. it doesnt get hotter then 55C. But as soon as I put them back on, and do the test, its easily 85C+ again in a matter of seconds. I'm using a Fractal Design R4.
Any idea what I could do to improve the temps when the case is closed?
This is the airflow of my case atm:
http://i57.tinypic.com/33k54pz.jpg
http://i57.tinypic.com/zn8ljb.jpg
Thanks
More about : 4790k heating issue
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Reply to Nerotix
Nerotix
July 27, 2014 5:25:07 AM
DubbleClick said:
Get a good airflow in your case, preferably a fan at front drawing air into the case and one at the back pushing the hot air out.Yeah I use to have that before with an older system. Thing is, the Corsair H80i documentation says it's best to use the two fans around the radiator as intake, as that will cool the radiator. If I would do those two fans as an exhaust, the radiator gets warm air blown through it.. which isn't really helping. Here's a picture of the situation in my case:
http://i57.tinypic.com/33k54pz.jpg
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Nerotix
July 27, 2014 5:30:57 AM
You could try adding a 120 or 140 to the side as an exhaust. That works very well for non-reference GPUs - not sure how much of a difference it would make in your case, but it's worth trying. I ended up swapping my R4 for my wife's Arc Midi R2 to get the additional ventilation. I'm using a D14 and have to max it to keep my 4790K in the 70s (OCed to 4.2 base clock) during Prime95. I think you're not going be able to do much better than you are without changing out the case and/or bumping up your cooler. The R4 cools pretty well for a case that has so much sound optimization, but there are limits.
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Nerotix
July 27, 2014 5:39:45 AM
volcanoscout said:
You could try adding a 120 or 140 to the side as an exhaust. That works very well for non-reference GPUs - not sure how much of a difference it would make in your case, but it's worth trying. I ended up swapping my R4 for my wife's Arc Midi R2 to get the additional ventilation. I'm using a D14 and have to max it to keep my 4790K in the 70s (OCed to 4.2 base clock) during Prime95. I think you're not going be able to do much better than you are without changing out the case and/or bumping up your cooler. The R4 cools pretty well for a case that has so much sound optimization, but there are limits.i7Baby said:
Air should come in from the case front, bottom and sides and out through the top and rear.This is how it looks like atm:
http://i57.tinypic.com/zn8ljb.jpg
U cant see the fans infront but there's 2 x 140mm intake fans @ the front.
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Nerotix
July 27, 2014 5:42:02 AM
i7Baby said:
Air should come in from the case front, bottom and sides and out through the top and rear.i7Baby said:
Air should come in from the case front, bottom and sides and out through the top and rear.Depends on the case and application. With the R4, to use the side vent as intake you pretty much have to cut the grill out, otherwise you get an extremely annoying harmonic. Or rig a stand-off of at least an inch which, even with a shroud, defeats the purpose and only minimizes the buzz. With two 140mm front intakes and two 140s as exhaust in rear and top/rear, I got a 7C drop in GPU (non-reference SLI) temps with a side exhaust, as opposed to a 3C drop with the side as intake (along with the horrible buzz). Overall case temps with side exhaust dropped 3C, as opposed to 1-2C.
If the OP has a spare fan, it can't hurt to try it.
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Nerotix
July 27, 2014 6:37:19 AM
Nerotix
July 27, 2014 7:00:43 AM
Nerotix
July 27, 2014 10:03:29 AM
i7Baby said:
Check you h80 is working OK - fans and pump running at spec speed.Thanks for the help so far. Which monitor app is most accurate? Cuz I use hardware monitor which says like 80 degrees.. but speedfan says 68 degrees.. which is a big difference.
See this screenshot from hardware monitor - corsair link - speedfan.
http://i59.tinypic.com/rhmxhx.png
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HWMonitor has always done fine by me. Someone else may know of a program that's more accurate. Unless you're using an external thermometer with probes, the software is all going to be pulling the temp data from the same sources, so the accuracy variations are going to be a factor of data interpretation. When I've used Speedfan, the temps have correlated closely with what I get from AI Suite, which are usually considerably cooler than HWM shows. I'll stick with HWM's read to stay on the safe side.
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Nerotix
July 27, 2014 12:39:28 PM
volcanoscout said:
HWMonitor has always done fine by me. Someone else may know of a program that's more accurate. Unless you're using an external thermometer with probes, the software is all going to be pulling the temp data from the same sources, so the accuracy variations are going to be a factor of data interpretation. When I've used Speedfan, the temps have correlated closely with what I get from AI Suite, which are usually considerably cooler than HWM shows. I'll stick with HWM's read to stay on the safe side.Just did some CSGO.. CPU going around 62C .. is that any bad or?
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Nerotix
July 27, 2014 3:54:54 PM
Powerbolt said:
Devil's Canyon CPU on a Z87 board? :sIs that really a bad combo?O_O And could that be an issue for heating issues?
Cuz when I look here: http://thepcenthusiast.com/list-of-8-series-motherboard...
There's alot of Z87 mobo's.
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Nerotix said:
Powerbolt said:
Devil's Canyon CPU on a Z87 board? :sIs that really a bad combo?O_O And could that be an issue for heating issues?
Cuz when I look here: http://thepcenthusiast.com/list-of-8-series-motherboard...
There's alot of Z87 mobo's.
There's nothing wrong with it - in fact it's a great combo. The Hero VII might be a hair better, but if you've already got the VI there's no reason to change it. As I said earlier, I think the problem isn't necessarily a malfunction or a component gone bad - it's that these Haswell and Haswell-E chips run hot and people need to adjust to that fact. I don't mean to say that you have to accept the high temps, just that solutions that worked great for previous chips may not work as well on these. I linked an article in my previous post pointing out one set of test results - just about everything else I've read and what I've seen with my own chips is in the same ballpark. Basically, you need more and better cooling at lower load levels than you would with a pre-Haswell chip.
Edit: Sorry - I got my "Hot DC Chip" threads mixed up. Here's what I posted in another thread with an almost identical theme. It has do with OC temps, but it shows idle temps to be relatively higher also:
They are improved and do run cooler, but it's all relative. In this case, it's relative to the i5-4670K which means that the 4690K only runs hot as opposed to hot-as-hell
OP - according to the available reviews and my own experience (I currently own a 4670K, 4770K, and a 4790K), your temps are about par for the course. If you want to get your temps below high 40s, even at stock and idling, you'll need to add in a good aftermarket CPU cooler. Here's a good article on temps for the new chips - it's for the 4790K (there's a typo in the link title) but it's still relevant:
http://www.extremetech.com/computing/185512-overclockin...
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Nerotix said:
Powerbolt said:
Devil's Canyon CPU on a Z87 board? :sIs that really a bad combo?O_O And could that be an issue for heating issues?
Cuz when I look here: http://thepcenthusiast.com/list-of-8-series-motherboard...
There's alot of Z87 mobo's.
No there's nothing wrong with it. I'm just surprised to see a Haswell-E processor on a year old or better motherboard. The 4790K would probably have been better suited on a Z97 board, but it will work none-the-less. Maybe update your BIOS to the current version if you haven't already.
As for your cooling problem: Have you tried cleaning everything and re-applying with some Arctic Silver thermal compound? Also, give RealTemp a try to monitor your CPU temps with. It works perfectly well on my machine with a 4770K.
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Nerotix
July 28, 2014 1:48:14 AM
Powerbolt said:
Nerotix said:
Powerbolt said:
Devil's Canyon CPU on a Z87 board? :sIs that really a bad combo?O_O And could that be an issue for heating issues?
Cuz when I look here: http://thepcenthusiast.com/list-of-8-series-motherboard...
There's alot of Z87 mobo's.
No there's nothing wrong with it. I'm just surprised to see a Haswell-E processor on a year old or better motherboard. The 4790K would probably have been better suited on a Z97 board, but it will work none-the-less. Maybe update your BIOS to the current version if you haven't already.
As for your cooling problem: Have you tried cleaning everything and re-applying with some Arctic Silver thermal compound? Also, give RealTemp a try to monitor your CPU temps with. It works perfectly well on my machine with a 4770K.
Ah I see. Will give RealTemp a try after work and let you know what it says. Thanks!
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Nerotix
August 1, 2014 6:25:11 PM
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as a cold intake. Lemme get you guys a photo of the case.