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Old 11-10-2010, 04:22 PM   #1
Cecil
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GPU TIM Application Guide

Just a quick guide on applying new thermal paste to a vid card.


What you need,

  • Mini screw driver
  • Thermal paste of your choice
  • Thermal paste application spreading tool
  • Rubbing alcohol pads or liquid
  • Paper towels or other lint free cloth
My current card sample, Gigabyte HD 6850.




Back of card, only 4 screws on this one




Stock TIM job from Gigabyte, not that bad at all. Far better then the ones from EVGA and ASUS that Ive seen.






Cleaned heatsink and GPU, with proper amount of TIM applied.






TIM evenly spread.





This card had a pretty good stock thermal paste application, and isn't a hot card by any means, so there wasn't much gain this time. The change in temps will vary greatly by card, and paste used.

Fan locked at 75% for all testing. At stock clocks when idle, card down clocks to 100Mhz core.

Stock TIM
775Mhz Core - 37C idle, 67C load
850Mhz Core - 47C idle, 69C load

Gelid GC2
775Mhz Core - 36C idle, 67C load
850Mhz Core - 45C idle, 68C load


With higher core speed there could be another 1-2C drop in temps, however this card doesn't support over-volting, so I'm just about topped out as it is. Used 5 minute runs of MSI Kombuster DX11 1080P 4xAA to stress test.

Last edited by Cecil; 03-01-2013 at 11:13 PM.
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Old 11-10-2010, 04:50 PM   #2
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good guide and great pics. 2 questions, why is the card so bare near the core??? ive seen other cards and they have loads of circutry near the core. new layout on the pcb but why i guess is my real question.

i thought the 6xxxx series was supposed to be lower powered than the 5xxx. i has a 5870 thats oc'd to 950mhz and i get nearly the same temps, i idle at 43c and it loads to 72/73c. i has my fan on auto and in the 70's my fan goes to 71%.
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Old 11-10-2010, 04:52 PM   #3
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Quote:
Originally Posted by Zanex09 View Post
good guide and great pics. 2 questions, why is the card so bare near the core??? ive seen other cards and they have loads of circutry near the core. new layout on the pcb but why i guess is my real question.

i thought the 6xxxx series was supposed to be lower powered than the 5xxx. i has a 5870 thats oc'd to 950mhz and i get nearly the same temps, i idle at 43c and it loads to 72/73c. i has my fan on auto and in the 70's my fan goes to 71%.
You also have a much beefier 3/4 heat pipe cooler
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Old 11-10-2010, 05:00 PM   #4
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Originally Posted by SlaveOnDope View Post
You also have a much beefier 3/4 heat pipe cooler
And Im sure its also 10-15x louder. At 100% fan speed I dont even hear a hum from the fans on this cooler.
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Old 11-10-2010, 05:11 PM   #5
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These cards needed better coolers and more voltage
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Old 11-10-2010, 05:11 PM   #6
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Cecil you know I didnt find an improvement changing the TIM out on the 5850's to AS5.
The TIM there appears very similar.
I think most manufactures have gotten wise enough to invest in some better TIM though I still feel they put too much on.

Still a good idea to do, you never know what you could gain.
Great guide, straight forward with excellent pictures.

EDIT: Have you looked into Sapphires TriXX program? Some reported it to work on 58xx's non-reference cards as well.
http://www.techpowerup.com/reviews/Sapphire/TRIXX/
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Old 11-11-2010, 10:04 AM   #7
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You also have a much beefier 3/4 heat pipe cooler

i see i see, what pipe size did they use for the 68xx's then?? 1/2?
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Old 11-11-2010, 01:02 PM   #8
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I think he ment your cooler has 3 or 4 heatpipes. This one has 2.
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Old 11-11-2010, 01:09 PM   #9
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Fermi is hot I have 5 pipes
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Old 11-11-2010, 04:28 PM   #10
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Nice guide. Gave it 5 stars. Maybe they could make it a sticky? Help out anyone who has never done it before.
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Old 11-11-2010, 06:37 PM   #11
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Quote:
Originally Posted by Cecil View Post
I think he ment your cooler has 3 or 4 heatpipes. This one has 2.
lol looks like im still a noob.



maybe we could has the OP include mini guides or even user photos of on how to or which screws to remove on different cards of different generations aswell.
reason being i had to remove the fan shroud on my 5770 and i removed the outer screws only because i didnt want or have tim to relace it.
i removed the outer screws and pulled slighty and heard a snap, being the size/shape of the shroud i thought it also snapped on (lol). i was apparently wrong and had to zip tie my shroud on.
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Old 11-11-2010, 07:27 PM   #12
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All cards have different coolers, and cards of the same type even have different coolers. Usually cards like mine that arent refrence design are just the 4 screws around the back of the GPU. Most refrence ones have about a dozen on the back, and one or two on the I/O shield.
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Old 11-11-2010, 07:37 PM   #13
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Quote:
Originally Posted by Cecil View Post
All cards have different coolers, and cards of the same type even have different coolers. Usually cards like mine that arent refrence design are just the 4 screws around the back of the GPU. Most refrence ones have about a dozen on the back, and one or two on the I/O shield.
I hear that. My XFX HD4870 has like 12. Then my VisionTek only has 4 screws.
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