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Very different core temps

post #1 of 4
Thread Starter 
Is this normal?



Would it be possible to get all cores at 65C if I reapplied the thermal paste? I used the vertical line method but I think I might've put on a little too much.

I don't want to have to go and buy some more AS5 and reapply unless it will give me some significant gains.. like all four cores at 65C. Would be nice to hit 4.2ghz at 1.39v but that first core goes above 80 at that vcore.


Thanks.
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Current i5 Rig
(14 items)
 
  
CPUMotherboardGraphicsRAM
Core i5-760 (4.0ghz @ 1.28v) GIGABYTE P55-USB3 Asus GTX 770 DirectCU II OC 2GB 4GB DDR3 (XMS3 1600) 
Hard DriveOptical DriveCoolingOS
Corsair Force 3 120gb + 2.5TB HDDs LG Noctua NH-D14 Windows 7 Home Premium x64 
MonitorKeyboardPowerCase
23" Acer X233H + 19" GNR Logitech G110 OCZ ModXStream Pro 700W Coolermaster 690 
MouseMouse Pad
Logitech G500 Razer Sphex 
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post #2 of 4
You're always going to have some disparity between the core temps. If its about 5c off from the other cores, you're typically fine. However, after you mentioned that you did the 'line' method of TIM application, you probably don't have the TIM spread evenly across the die/plate, and that's what's causing you to have a large(er) difference in temps. Use the grain method where you only drop enough paste in the size of a grain of rice directly in the middle of the CPU.

On a similar note, you should buy new paste anyway. Never, ever, ever, should a computer builder be without any additional thermal application(s). So buy some to have some, and reseat your heatsink with the 'grain' method I mentioned.
post #3 of 4
Thread Starter 
Quote:
Originally Posted by skitzogreg View Post
You're always going to have some disparity between the core temps. If its about 5c off from the other cores, you're typically fine. However, after you mentioned that you did the 'line' method of TIM application, you probably don't have the TIM spread evenly across the die/plate, and that's what's causing you to have a large(er) difference in temps. Use the grain method where you only drop enough paste in the size of a grain of rice directly in the middle of the CPU.

On a similar note, you should buy new paste anyway. Never, ever, ever, should a computer builder be without any additional thermal application(s). So buy some to have some, and reseat your heatsink with the 'grain' method I mentioned.
Haha, I don't usually have no thermal paste, I've just been experimenting with a few different coolers recently and only discovered I'm out of it now. The only stuff I have left is the shoddy Coolermaster TIM which came with my Hyper TX3. Unless you'd recommend that over AS5, I'll give it a miss.

Anyway it's a relief to hear that it's normal, albeit slightly disappointing. Thanks anyway.
Current i5 Rig
(14 items)
 
  
CPUMotherboardGraphicsRAM
Core i5-760 (4.0ghz @ 1.28v) GIGABYTE P55-USB3 Asus GTX 770 DirectCU II OC 2GB 4GB DDR3 (XMS3 1600) 
Hard DriveOptical DriveCoolingOS
Corsair Force 3 120gb + 2.5TB HDDs LG Noctua NH-D14 Windows 7 Home Premium x64 
MonitorKeyboardPowerCase
23" Acer X233H + 19" GNR Logitech G110 OCZ ModXStream Pro 700W Coolermaster 690 
MouseMouse Pad
Logitech G500 Razer Sphex 
  hide details  
Reply
Current i5 Rig
(14 items)
 
  
CPUMotherboardGraphicsRAM
Core i5-760 (4.0ghz @ 1.28v) GIGABYTE P55-USB3 Asus GTX 770 DirectCU II OC 2GB 4GB DDR3 (XMS3 1600) 
Hard DriveOptical DriveCoolingOS
Corsair Force 3 120gb + 2.5TB HDDs LG Noctua NH-D14 Windows 7 Home Premium x64 
MonitorKeyboardPowerCase
23" Acer X233H + 19" GNR Logitech G110 OCZ ModXStream Pro 700W Coolermaster 690 
MouseMouse Pad
Logitech G500 Razer Sphex 
  hide details  
Reply
post #4 of 4
You could also just re-apply using the line method, just use less thermal paste. here's a good guide to show how to apply it. And use some decent thermal paste like MX-2 or AS5.
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