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2500K core temperatures, 1 or 2 cores hotter with a difference of 9 to 12 degrees?

post #1 of 6
Thread Starter 
Hello,

Setup:

  • Corsair Carbide 500R
  • OCZ 500W PSU
  • Asrock P67 Extreme 6
  • Intel 2500K
  • Kingston valueram 1333
  • Thermaltake Bigwater 760 Pro
  • Extra 120mm rad (magicool slim)

I'm running my CPU on 5GhZ, but non OC same problem.
Problem:

In Coretemp (and other tools to read out temps) it shows temperatures like:

( Idle )
0=25
1=29
2=35
3=25

( Stressed )
0=61
1=70
2=73
3=65

( Dumping pics later @ work now )

Is it an thermal paste issue?
Could it be my CPU isnt even? so i need maybe more thermal paste?
Or is it just my CPU itselve? maybe some sensor?
post #2 of 6
Could be the IHS on the cpu uneven.
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post #3 of 6
Yeah up to 9c difference should be fine. 10-12c is probably a bit much. I'd advise to clean off and reapply thermal paste and make sure your cooler is sitting on tight.

I get around 9c max difference between the highest and lowest core temperature when running intel burn text on maximum with my 2500k, however the temps are always jumping around too while doing this.
Double check your thermal paste and cooler and you should be fine. When you apply thermal paste make sure to apply a small part (around the size of a rice grain) in the middle of the chip. thumb.gif
Edited by PoisonousRakija - 9/3/13 at 1:50am
   
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CPUMotherboardGraphicsRAM
Intel Core i5 2500k @ 4.3ghz 1.34v Gigabyte Z68XP-UD3R Gigabyte GTX 760 OC Kingston HyperX t1 8GB 1866 MHZ 
Hard DriveHard DriveOptical DriveCooling
Western Digital Green 2TB Intel 520 SSD Samsung SH-224DB DVD Burner Corsair H105 
CoolingCoolingOSPower
2x Enermax T.B Apollish Twister 140mm 2x NZXT FN 120RB Windows 7 Ultimate x64 Thermaltake ToughPower XT 775W 
CaseOtherOtherOther
NZXT Phantom 410 Leadtek DTV1000s HD TV Tuner/Capture Card ASUS PCE-N15 Wireless Adapter NZXT Sleeved Lighting Kit 100cm 
CPUMotherboardGraphicsRAM
Intel G630 Gigabyte GA-H61M-DS2 POV GT 430 2GB Strontium 4GB DDR3 
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post #4 of 6
Thread Starter 
thnx both of u, i'm going to change my thermal paste to see it makes any difference. If not, maybe i will think about lapping my cpu..
post #5 of 6
Quote:
Originally Posted by PoisonousRakija View Post

Yeah up to 9c difference should be fine. 10-12c is probably a bit much. I'd advise to clean off and reapply thermal paste and make sure your cooler is sitting on tight.

I get around 9c max difference between the highest and lowest core temperature when running intel burn text on maximum with my 2500k, however the temps are always jumping around too while doing this.
Double check your thermal paste and cooler and you should be fine. When you apply thermal paste make sure to apply a small part (around the size of a rice grain) in the middle of the chip. thumb.gif

I've recently looked up the rice grain method and there's another method wich is better(especially if your thermal paste is "thicker")

Apply two lines of equal size. The space between them AND their length should be 1/3 of of the cpu chip width(measure it). Don't make them to thick.
post #6 of 6
Quote:
Originally Posted by Tkief752 View Post

I've recently looked up the rice grain method and there's another method wich is better(especially if your thermal paste is "thicker")

Apply two lines of equal size. The space between them AND their length should be 1/3 of of the cpu chip width(measure it). Don't make them to thick.

Aha, yeah, there's probably about two million ways of applying thermal paste.
The easiest way for me, is the simplest. Pop a dot in the middle and make sure to install the cooler evenly by tightening screws diagonally. tongue.gif
As long as you're putting enough to spread across the chip, and not too much either you should be fine.
   
Pink Power
(11 items)
 
CPUMotherboardGraphicsRAM
Intel Core i5 2500k @ 4.3ghz 1.34v Gigabyte Z68XP-UD3R Gigabyte GTX 760 OC Kingston HyperX t1 8GB 1866 MHZ 
Hard DriveHard DriveOptical DriveCooling
Western Digital Green 2TB Intel 520 SSD Samsung SH-224DB DVD Burner Corsair H105 
CoolingCoolingOSPower
2x Enermax T.B Apollish Twister 140mm 2x NZXT FN 120RB Windows 7 Ultimate x64 Thermaltake ToughPower XT 775W 
CaseOtherOtherOther
NZXT Phantom 410 Leadtek DTV1000s HD TV Tuner/Capture Card ASUS PCE-N15 Wireless Adapter NZXT Sleeved Lighting Kit 100cm 
CPUMotherboardGraphicsRAM
Intel G630 Gigabyte GA-H61M-DS2 POV GT 430 2GB Strontium 4GB DDR3 
Hard DriveOptical DriveOSPower
WD Caviar Blue 500GB LG External DVD Burner Win7 Ultimate 32bit 680W ATX Power Supply 
CaseOther
K-Mart Fish Tank Blue LED Strip 
CPUMotherboardGraphicsRAM
Intel i3 4170 AsRock B85M Pro3 ASUS Radeon R7 370 Kingston HyperX Fury 
Hard DriveHard DriveOSPower
Toshiba 500GB SATA3 Sandisk SSD Plus Windows 7 Ultimate Antec VPF550 550w 
CaseOther
Bitfenix Shinobi (Pink) 2x 30cm Pink LED Strips 
  hide details  
Reply
   
Pink Power
(11 items)
 
CPUMotherboardGraphicsRAM
Intel Core i5 2500k @ 4.3ghz 1.34v Gigabyte Z68XP-UD3R Gigabyte GTX 760 OC Kingston HyperX t1 8GB 1866 MHZ 
Hard DriveHard DriveOptical DriveCooling
Western Digital Green 2TB Intel 520 SSD Samsung SH-224DB DVD Burner Corsair H105 
CoolingCoolingOSPower
2x Enermax T.B Apollish Twister 140mm 2x NZXT FN 120RB Windows 7 Ultimate x64 Thermaltake ToughPower XT 775W 
CaseOtherOtherOther
NZXT Phantom 410 Leadtek DTV1000s HD TV Tuner/Capture Card ASUS PCE-N15 Wireless Adapter NZXT Sleeved Lighting Kit 100cm 
CPUMotherboardGraphicsRAM
Intel G630 Gigabyte GA-H61M-DS2 POV GT 430 2GB Strontium 4GB DDR3 
Hard DriveOptical DriveOSPower
WD Caviar Blue 500GB LG External DVD Burner Win7 Ultimate 32bit 680W ATX Power Supply 
CaseOther
K-Mart Fish Tank Blue LED Strip 
CPUMotherboardGraphicsRAM
Intel i3 4170 AsRock B85M Pro3 ASUS Radeon R7 370 Kingston HyperX Fury 
Hard DriveHard DriveOSPower
Toshiba 500GB SATA3 Sandisk SSD Plus Windows 7 Ultimate Antec VPF550 550w 
CaseOther
Bitfenix Shinobi (Pink) 2x 30cm Pink LED Strips 
  hide details  
Reply
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