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4.5GHz i5-2500k on air, max 86C bad?

post #1 of 19
Thread Starter 
I have the Xigmatek Gaia 120mm CPU cooler, and I'm using Arctic Silver 5 (not yet cured, applied 2 days ago). I'm working on stabilizing my 2500k 4.5GHz overclock.

Right now I'm running Prime95, and I have Real Temp also running, and I had/have a max temp of 86-88C. Is this too high? My voltage is 1.33v but CPUZ claims its more around 1.25-1.28. Right now though, Prime95 has been running about 15 minutes and the temps have dropped to about 76C-80C.

I think I may have put a tad too much thermal paste on, but it was still about the size of a small pea.
Plastic Shuriken
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Plastic Shuriken
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post #2 of 19
That's much higher than should be expected with this cooler and this core voltage.

When you applied the thermal paste, did you also carefully fill in the spaces between the heatpipes?
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It's a computer!
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post #3 of 19
Thread Starter 
I'm not sure what you mean. Is there a different method I should have used? Like I said, I just put a bit of it in the center of the CPU, and pressed down with the cooler. I did not lift it up again either, I know this creates air bubbles.
Plastic Shuriken
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Plastic Shuriken
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post #4 of 19
Quote:
Originally Posted by EliteGamer83;14283285 
I'm not sure what you mean. Is there a different method I should have used? Like I said, I just put a bit of it in the center of the CPU, and pressed down with the cooler. I did not lift it up again either, I know this creates air bubbles.
Reapply it, this time put a bigger dot on the center. When you apply the heatsink onto the CPU, wiggle it a little to allow the TIM to spread. Then secure it. Ensure that you do not remove the pressure from the heatsink while wiggling it, because that can cause air bubbles to develop.
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Cerberus
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post #5 of 19
The current temp you have is very high. I highly recommend to stay below 75C.

Maybe you can go abit lower with the clocks?
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post #6 of 19
Thread Starter 
Idle it runs about 35C-38C on the hottest core. Do you really think it's worth the trouble of pulling out everything and re-applying paste to the cooler?
Plastic Shuriken
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Plastic Shuriken
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post #7 of 19
when in doubt, re-apply and re-seat..... those temps seem a bit high, even idle temp
post #8 of 19
Thread Starter 
Do you have a good picture or video I can use for reference before I do this again? This is my first build, I'm no pro at this stuff yet.

I'll probably kill myself if I have to do it a third time... plus that Arctic Silver wasn't cheap. tongue.gif
Also, I didn't "clean" either the CPU or heatsink before I put the thermal paste on. Is/was this necessary?
Edited by EliteGamer83 - 7/20/11 at 11:43am
Plastic Shuriken
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Plastic Shuriken
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post #9 of 19
Quote:
Originally Posted by EliteGamer83;14283285 
I'm not sure what you mean. Is there a different method I should have used? Like I said, I just put a bit of it in the center of the CPU, and pressed down with the cooler. I did not lift it up again either, I know this creates air bubbles.
I mean this:

http://benchmarkreviews.com/index.php?option=com_content&task=view&id=150&Itemid=62&limit=1&limitstart=5

(they recommend lapping, but that's not necessary)


If you don't fill in the spaces between the pipes, then you're not getting anywhere near the full potential of the heatsink. After all, the Thermal Interface Material is there to transfer the heat from the CPU to the heatsink. So by putting TIM in between the pipes before doing anything at all, you ensure that you also have the ability to transfer heat from the CPU to every little nook, cranny, and crevice thereby maximizing the heat transfer and maximizing the heatsink's cooling efficiency. Otherwise, you're only transferring heat to just some of the parts on the heatsink's base.
Edited by TwoCables - 7/20/11 at 11:57am
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
post #10 of 19
Thread Starter 
Maybe I'm just an idiot, but I re-applied, filled in the cracks on the HDT pipes, and put it back in, and even wiggled it a bit before securing it.
But it's still showing around 86C when Prime95 is running. I'm not doing it again... I'll just have to live with it. Maybe it still needs cured.

I just feel incredibly stupid right now. I can't even put on thermal paste correctly.

If anything the temps are even higher than before I did this!! During prime95 I got a max temp on one core of 93C!!!! I feel like shooting myself in the foot... or leg.

What do you suggest!? wait a few days for it to cure a bit more.... or what now.
Edited by EliteGamer83 - 7/20/11 at 1:39pm
Plastic Shuriken
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CPUMotherboardGraphicsRAM
Intel i5-2500k 4.4GHz ASRock P67 PRO3 NVIDIA GeForce GTX 560 Ti 8GB Corsair Vengeance 1600MHz 
Hard DriveHard DriveHard DriveHard Drive
128GB Crucial M4 SSD 1TB Seagate Barracuda 2TB Western Digital Caviar Black 500GB Samsung Spinpoint F3 
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Cooler Master CM 690II Advanced Logitech VX Nano 
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Plastic Shuriken
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CPUMotherboardGraphicsRAM
Intel i5-2500k 4.4GHz ASRock P67 PRO3 NVIDIA GeForce GTX 560 Ti 8GB Corsair Vengeance 1600MHz 
Hard DriveHard DriveHard DriveHard Drive
128GB Crucial M4 SSD 1TB Seagate Barracuda 2TB Western Digital Caviar Black 500GB Samsung Spinpoint F3 
CoolingOSMonitorPower
Xigmatek Gaia  Windows 7 Ultimate 64-bit Samsung P2350 XFX PRO550W 
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Cooler Master CM 690II Advanced Logitech VX Nano 
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