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General PC temperatures


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#1 GonzJ

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Posted 06 July 2014 - 01:28 PM

Hey guys,

This is my PC spec:

Case- CORSAIR GRAPHITE SERIES™ 600T WHITE MID-TOWER CASE
Processor (CPU)- Intel® Core™i7 Six Core Processor Extreme i7-4960X (3.6GHz) 15MB Cache
Motherboard- ASUS® RAMPAGE IV BLACK EDITION: INTEL X79, SOCKET 2011, R.O.G
Memory (RAM)- 16GB KINGSTON HYPER-X FURY DUAL-DDR3 1600MHz, X.M.P (8 x 8GB)
Graphics Card- 3GB NVIDIA GEFORCE GTX 780 Ti - 2 DVI, HDMI, DP - 3D Vision Ready
2nd Graphics Card- 3GB NVIDIA GEFORCE GTX 780 Ti - 2 DVI, HDMI, DP - 3D Vision Ready
1st Hard Disk- 1TB Samsung 840 EVO SSD, SATA 6Gb/s (upto 540MB/sR | 520MB/sW)
2nd Hard Disk- 4TB WD CAVIAR BLACK WD4003FZEX, SATA 6 Gb/s, 64MB CACHE (7200rpm)
Power Supply- CORSAIR 1200W PRO SERIES™ PLATINUM AX1200i DIGITAL MODULAR PSU
Processor Cooling- Corsair H100i Hydro Series High Performance CPU Cooler
Thermal Paste- ARCTIC MX-4 EXTREME THERMAL CONDUCTIVITY COMPOUND

I am a little worried about the temperature of my PC. When sitting idle, everything is within 2-3 degrees C of 30. Which I am fine with. But often when in game my CPU reaches around 60 and my graphics card is around the same. I know this is well within the limits of my components, however this is in older games. When playing watch dogs earlier my CPU hit 75 degrees C. This is when I have the quiet profile loaded on corsair link, and have MSI Afterburner on auto change the gpu fan speed (which by the way, seems to stick to 48% constantly and never change no matter how hot it gets).

I have tried bumping up the speeds of fans, but then my PC becomes excessively loud, so loud in fact that I can hear it through my headphones and other people in the house can hear it, even downstairs. In fact, when the PC is in quiet mode it is still quite loud.

Do you think I am worrying unnecessarily? Are these temps fine? And should I keep my fans on quiet or bump them up?

Thanks for reading guys! biggrin.gif



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#2 Chris Cosgrove

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Posted 06 July 2014 - 07:24 PM

According to Intel specs on this CPU, the maximum case temperature is 66.8C. The problem is that the specs don't say where your temperature measurement is taken from. If it is taken from the processor core - ie the bit of silicon in the middle of the CPU - this will always be higher than the case temperature.

 

However since Intel quote a maximum for the case, play safe and assume that the temperature reading you are seeing is the case temperature. In which case you are right up, and beyond, the limit. This isn't going to kill your CPU immediately, but sustained operation above 65C will shorten its life.

 

You need to go over your cooling arrangements again - make sure that everything is tightly secured and clean. If that doesn't bring about an improvement you may want to consider installing a fan to improve airflow through the case.

 

Chris Cosgrove



#3 OldPhil

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Posted 06 July 2014 - 09:00 PM

Considering the cooler testing I have seen it has me wondering about the paste, that cooler normally comes with the paste applied.  Noticed that it appears as it was used on a prior setup requiring new paste, you may want to re-check it.  I dug up one of the links below!

 

http://www.legitreviews.com/corsair-hydro-series-h100i-extreme-performance-cpu-cooler-review_124024/5


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#4 killerx525

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Posted 06 July 2014 - 09:04 PM

In theory, the H100i on maximum mode should be capable of lowering down the temperature of the recommended maximum temperature of the CPU but as you have mentioned, it comes with a cost, noise. Although as Phil has mentioned, recheck if the cooler block is install properly and the thermal paste is applied correctly as the temperature should be better especially when it's a game. 


>Michael 
System1: CPU- Intel Core i7-5820K @ 4.4GHz, CPU Cooler- Noctua NH-D14, RAM- G.Skill Ripjaws 16GB Kit(4Gx4) DDR3 2133MHz, SSD/HDD- Samsung 850 EVO 250GB/Western Digital Caviar Black 1TB/Seagate Barracuada 3TB, GPU- 2x EVGA GTX980 Superclocked @1360/MHz1900MHz, Motherboard- Asus X99 Deluxe, Case- Custom Mac G5, PSU- EVGA P2-1000W, Soundcard- Realtek High Definition Audio, OS- Windows 10 Pro 64-Bit
Games: APB: Reloaded, Hours played: 3100+  System2: Late 2011 Macbook Pro 15inch   OFw63FY.png


#5 Chris Cosgrove

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Posted 07 July 2014 - 06:46 PM

OldPhil has a good point - the condition of the thermal bond between the surface of the CPU and the heatsink is critical.

 

Since at the moment you are asking for the early demise of an expensive CPU it would be sensible to replace the thermal paste between these two surfaces.

 

Split the heatsink off the CPU carefully and clean both surfaces thoroughly. A cloth dampened with iso-propyl alchohol is the ideal method, but methylated spirits (methanol) will also do. Ensure both surfaces are clean and dry and apply a thin and even smear of compound to one face, then re-join them.

 

Note that there may be a thin gasket of - I think - neoprene between the two surfaces. Ideally, if there is, this should be replaced with a new one. So long as it isn't torn you can get away with cleaning it carefully and applying a smear of compound to both sides of it before you re-assemble. You then don't need to smear any on the CPU or heatsink surfaces themselves.

 

One final note of caution - don't get any thermal paste on your clothes. It's hell to get off !

 

Chris Cosgrove



#6 OldPhil

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Posted 07 July 2014 - 06:53 PM

Had an awful thought, was paste applied in addition to the factory cooler paste in error? 


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#7 GonzJ

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Posted 08 July 2014 - 10:11 AM

Had an awful thought, was paste applied in addition to the factory cooler paste in error? 


I bought the PC from pcspecialist, so I am not sure. Hopefully they did it right though.

#8 Chris Cosgrove

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Posted 08 July 2014 - 07:24 PM

In view of OldPhil's 'awful thought', I think as a matter of some urgency you should dismount the fan and heat sink from the CPU and clean and replace the paste as described in my #5 above.

 

If at any time the bond created by the paste between the two surfaces is disturbed, it MUST be replaced with fresh paste after thoroughly cleaning the two surfaces.

 

Chris Cosgrove



#9 GonzJ

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Posted 09 July 2014 - 01:26 PM

I am away for a week at the moment. I'll do that as soon as I am home. I have emailed pcspecialist but they have not replied yet, might give them a call too.

#10 Chris Cosgrove

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Posted 09 July 2014 - 08:15 PM

I would be inclined to just go ahead and replace the thermal paste - it's not a major task.

 

Re-reading your OP it isn't clear whether you have thermal paste already or whether this is what was used by the assemblers. It is fairly readily available. Judging from your local time,you live in the UK. If you have a branch of Maplins anywhere near you, they certainly have it. Any electronics components store should have it, and Amazon certainly do. Ask / search for either 'heat sink paste' or 'thermal paste'.

 

Chris Cosgrove



#11 GonzJ

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Posted 11 July 2014 - 12:58 PM

Hey guys, I've been reading around and some people say that they have an issue of a loose backplate and bad contact with the CPU when using the h100i. Do you think I could have the same issue?

Thanks :)

Edited by GonzJ, 11 July 2014 - 12:59 PM.


#12 GonzJ

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Posted 11 July 2014 - 01:07 PM

When I get back on Monday I'll ring pcspecialist and see what they say.

#13 GonzJ

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Posted 11 July 2014 - 04:08 PM

Another thing guys, is that when I run intelburntest my voltage goes to around 1.25 volts. Is this too high? I know volts can cause higher temps.
Thanks for reading :)

#14 jonuk76

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Posted 11 July 2014 - 06:46 PM

No it doesn't sound abnormal.  Over clockers use up to around 1.4v on that chip when pushing it to higher speeds.  You can expect it to generate a huge amount of heat when overclocked at higher voltages.

 

The cooler backplate could be worth checking.  The guy in this video installed it incorrectly (someone picked it up in the comments).  It's a H80 but I presume the H100 is a similar design.  Note that there are two screws/bolts on the underside of the CPU socket, and there is a specific orientation the backplate has to be fitted to avoid fouling them (needs turning 180 degrees from how it's fitted in the video below).  It might not make a huge difference, but I could see this causing uneven pressure on the CPU.

 

http://youtu.be/iphGcJDq9J0?t=7m39s


Edited by jonuk76, 11 July 2014 - 06:51 PM.

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#15 GonzJ

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Posted 12 July 2014 - 03:14 PM

The problem is that I am no good with the insides of computers :( bought the PC from pcspecialist, and I have no idea how to do anything with the insides and I am terrified of messing something up or ruining my PC.




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