i7 7700k Stress test overheating?

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Tommysmiles

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Hello,

I recently bought i7 7700k and originally I had a hyper Evo 212 cpu cooler and I was averaging 95C on prime 95 stress test at 100% cpu usage. I thought the temp was way too high so I replaced the hyper Evo with the h100i v2 liquid cooling hoping that the temp would lower but after doing the test, the temp was stilll averaging 95C on the stress test at 100% cpu usage. When I play rainbow size seige on high settings, the avg temp is 75C and really only uses about 65% of the cpu.

My motherboard is the gigabyte z270.
Gpu is 1060 3gb
8g ram
500w psu

Is this normal that at 100% cpu usage that it would be averaging 90 degrees Celsius?
 
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what it looks like theres a good chance you get a not so good unit - like said maybe the pump rpm is not correct ?? bad factory fill ? sensor of the pump not correct and not kicking the fan speed up so on.

not trying to make you mad but sure seems a lot of guys just like I showed here from toms alone seem to have poor cooling with these units no matter what CPU being used ?

if you got it mounted proper and / or tried 2 or 3 times to mount it proper and nothing but the same lack luster cooling ?? sounds like it may have a circulation issue or the fan speed is not enough to wisk away heat from the radiator as needed to do ?

just seems to be a high % of threads all over on this ''my h100 high temps'' thing just...
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Tommysmiles

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@junkeymonkey I just recently got my i7 7700k and I always like to stress test new parts to make sure I didn't get a faulty one. I just found it abnormally higher than what other forums people are posting on forums. I went from a cheap $30 air cooler to a $120 dollar liquid cooler which both are producing same heat temps at 100% cpu load.
 
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LowlySkeleton

LowlySkeleton

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If your i7-7700K is at all stock settings, then this does not seem normal. Maybe try checking bios just in case something is set too high by default (like, say, the Vcore)? I would also assume that you've made sure to properly mount the coolers, apply thermal compound and plug in all the fans?

Though, I did say that it doesn't "seem" normal. The temp that your cpu is running at is also dependent on the temperature of the surrounding air. If it the average load temp was around 75degrees (at room temperature of 23degrees) and it was currently a blazing 40degrees on a extremely hot summer day, you would find that your load temp might be around 92degrees.
 
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CompuTronix

CompuTronix

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Tommysmiles,

On behalf of Tom's Moderator Team, welcome aboard!

At the top of all our Forums are "Stickies" which are informative Threads that are permanently "stuck" in place so they're always available as reference material for everyone's benefit.

Near the top of the CPU's Forum you will see the following Sticky: Intel Temperature Guide - http://www.tomshardware.com/forum/id-1800828/intel-temperature-guide.html

Everything you need to know is in there. Please give it a read.

Here's the recommended operating range for Core temperature:

80°C Hot (100% Load)
75°C Warm
70°C Warm (Heavy Load)
60°C Norm
50°C Norm (Medium Load)
40°C Norm
30°C Cool (Idle)
25°C Cool

Core temperatures up to 80°C are safe.

Do NOT use versions of Prime95 later than 26.6 on 2nd through 7th Generation i3, i5 or i7 CPU's, which all have AVX (Advanced Vector Extension) instruction sets. Recent versions of Prime95 such as 28.9 run AVX code on the CPU's Floating Point Unit (FPU) which causes unrealistic temperatures up to 20°C higher. The FPU test in the utility AIDA64 shows similar results.

Please download Prime95 version 26.6 - http://www.mersenneforum.org/showthread.php?t=15504

Run only Small FFT’s for 10 minutes.

Use Core Temp to measure your temperatures - http://www.alcpu.com/CoreTemp

As LowlySkeleton has pointed out, all computer temperatures rise and fall with ambient room temperature. Normal or "standard" is 22°C or 72°F. We get people who write into our Forums from all over the planet with ambient temperatures anywhere from 10°C to 40°C, so it's important to know if your ambient temperature is high or near normal.

Q: What is your ambient temperature?

Once again, welcome aboard!

CT :sol:
 
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junkeymonkey

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may check your cpu coolers mounting ? its a fine line between excellent cooling or so/so cooling or poor cooling

too little too much paste applied wrong . too loose / too tight , tightened down crooked / uneven , cold plate or cpu lid not flat to mate and may need a bit of lapping to make it so

there a bit more then just slapping a cooler on and having it work great some times and any of them things can be a good swing in nice temps or poor temps

then with a cooler like that h100 what if the pump is not right and may not be running a proper RPM to circulate the coolant through the radiator or the fan on the radiator rpms is not high enough or ramping up in speed as the temps rise to properly cool the liquid ??

then like said above ambient room temps and any air flow combined with any of that ??

good luck
 
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mrobscura

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the 7700k can run really hot. i have a h115i and temps still suck under heavy load. so with that cooler, if you are running a stress test heavy in axv or fpu those temps are what you can expect.
 
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Tommysmiles

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I did the prime 95 test along with monitoring the temps with core temp and my max for core #0 is 90C, core#1 is 84C, core #2 is 83C, core#3 is 83C, and core #4 is 83C. Do you think this is normal? I still have it under warranty until 4/23/17, should i exchange the cpu? Also, my ambient temperature is 20C or roughly 70F.



 
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Tommysmiles

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my i7 7700k is all stock settings, after doing the prime test and testing it with core temps, the highest one was core#0 at 91C. And yes i properly mounted the cooler, the thermal paste was the stock one. btw my ambient temp is 20C. What would you recommend me doing? I might exchange the cpu considering, it's still under warranty until 4/23/17.



 
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LowlySkeleton

LowlySkeleton

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Just checking, but you have all cables for the fans and AIO pump connected correctly, right? If you are sure that the core Voltage is also stock, then there really isn't too much you can do other than to beef up your case cooling setup to help with the temps a bit.
 
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junkeymonkey

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like I said they keep rolling in

http://www.tomshardware.com/answers/id-3391160/4790k-100-degrees-cores-h100i-gtx.html

all I can see is maybe a poor cooler ? poor mounting ? or lots of defective units ?

look over corsairs forums on them h100's plenty there as well and the ol' maybe need to rma it answers ??

http://forum.corsair.com/v3/showthread.php?t=165032

http://forum.corsair.com/v3/showthread.php?t=162607

http://forum.corsair.com/forums/showthread.php?t=156678

maybe a high end down draft air cooler maybe better ??

http://www.frostytech.com/articleview.cfm?articleID=2288

have the fan blow the air straight down on to the cpu/ motherboard to wisk away excess heat ??

 
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Tommysmiles

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So far, ive noticed that the h100i has been doing a better job than the evo 212 so i dont think that is a problem. I'm going to exchange the cpu this weekend so we'll see if the temps are still the same.


 
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junkeymonkey

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what it looks like theres a good chance you get a not so good unit - like said maybe the pump rpm is not correct ?? bad factory fill ? sensor of the pump not correct and not kicking the fan speed up so on.

not trying to make you mad but sure seems a lot of guys just like I showed here from toms alone seem to have poor cooling with these units no matter what CPU being used ?

if you got it mounted proper and / or tried 2 or 3 times to mount it proper and nothing but the same lack luster cooling ?? sounds like it may have a circulation issue or the fan speed is not enough to wisk away heat from the radiator as needed to do ?

just seems to be a high % of threads all over on this ''my h100 high temps'' thing just like you


anyway good luck with the new CPU and hope that does work out to the best

 
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