I would like to change out the thermal pads on my 5 year old R9 390 8G graphics card

bake3009

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Recently, I have noticed my GPU temp is running in the high 70's when I play World of Tanks, when it used to run in the 60's. I changed the thermal paste and that helped for a little while but I am thinking that my paste is probably to old and need fresh paste. Having come to this conclusion, I am also looking at the fact that I may need to go ahead and replace all the thermal padding while I have the card broken down as well. So, I ordered some new Arctic Silver 5 paste a 50mm X 50mm X 1.5mm pad, like a dummy not realizing it wouldn't be enough. But, my question is how much padding and what thickness(s) do I need to do a complete thermal pad swap out on my card? Any information and assistance is greatly appreciated. While I could by a new card, I just hate to do that until I decide to build a new Mini ATX computer in the fall of this year. Thanks.
 

Svet

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for thermal pads replacement, I would recommend using K5 Pro
 

bake3009

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I am studying this, since you mentioned it. Looks and sound very impressive. I am going to guess that you have used or know of some who have and it has worked well. I will do some more research but, it looks like this may be my solution.
 

bake3009

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Ordered some yesterday and it will be here Saturday so i will be spending Sunday, cleaning and repasting my card. I am running in the 80s, when I go into sniper mode, while gaming and it didn't used to get above 69, when doing that. So something is getting to hot. I will let you know how it goes, once I get it done.
 

badboy2k

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did you put quite a bit of Thermal Pate on the GPU like a huge Blob as just a pea sized ammount will only do a small patch in the middle unlike on a CPU?

also what thermal Paste did you use?
 

bake3009

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I finally got around to completing this task and surprisingly, it performs roughly 10 degrees Celsius cooler than it did prior to replacing the thermal material. I did use rather large blobs, nearly a whole tube, just to make sure I had enough to cover everything. One surprising detail has emerged though and it is troubling me. I did not change any of my graphic settings but while idling, I am running 10 to 15 degrees hotter than I was prior to the thermal material replacement. I was getting reading of 39 to 45 celsius prior to the change out. I used the K5-Pro material, where required and for the processor, I used a new tube of Arctic Silver 5 as the compound there. I used this on an earlier re-paste of the processor, with no ill effects but it was a 5 year old tube of it. Currently, while idling, my AMD FX CPU is running at 39 degrees and my MSI GPU is running at roughly 60 degrees. Do you think I messed something up and don't have enough Arctic on my processor or it's the K5 that's causing the problem. I may tear it back down tomorrow an clean ad reapply the Arctic, just to be sure.
 

Svet

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. I did not change any of my graphic settings but while idling, I am running 10 to 15 degrees hotter than I was prior to the thermal material replacement.
Check GPU clocks and voltages and running Pstate when its idle.

I used the K5-Pro material, where required and for the processor, I used a new tube of Arctic Silver 5 as the compound there. I used this on an earlier re-paste of the processor, with no ill effects but it was a 5 year old tube of it. Currently, while idling, my AMD FX CPU is running at 39 degrees and my MSI GPU is running at roughly 60 degrees. Do you think I messed something up and don't have enough Arctic on my processor or it's the K5 that's causing the problem. I may tear it back down tomorrow an clean ad reapply the Arctic, just to be sure.
What did you used for GPU core?
 

bake3009

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I am not real tech savvy so I really don't know where to find the information you are talking about as far as clcoks, volts, and Pstate. As for the processor thermal paste, it was the Arctic Silver 5. Should I obtain something else and switch to that, instead? Any info is definitely appreciated. Thanks.
 

badboy2k

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I am not real tech savvy so I really don't know where to find the information you are talking about as far as clcoks, volts, and Pstate. As for the processor thermal paste, it was the Arctic Silver 5. Should I obtain something else and switch to that, instead? Any info is definitely appreciated. Thanks.
for a GPU using Silver Based Pastes is a bad idea. if I was you I would get some Arctic MX2 or MX4 Ceramic Paste as that is non conductive to electricity.

make sure you clean the top of the GPU and cooler with some alcohol (isopropyl Alcohol or Rubbing alcohol that is a high %) to get rid of all the old paste and also when you put paste on it just put a thin film over the top of the GPU as too much will fill the well around the edge of the GPU and transfer heat down into the PCB instead of the cooler. just use a old store card or defunct credit card to make a thin layer of the paste over the GPU chip and reassemble it.
 

bake3009

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Ok, the Arctic people now provide you with a spreader stick to assist with spreading, if you prefer to do so. I will try that and let you know how it goes. It may take a few days as i will have to order it, where I live as we have no true computer supply store and you might as well just forget Office Max/Depot as they don't have much of anything but office furniture, paper products, and the likes. Thanks. One other thing, I am now seeing a lot of the so called "Carbon Based" pastes now and just not sure about them. What about that Grizzly stuff? any good or stay away from? I am also going to guess that I should also change out the thermal paste on my CPU to the MX4 or 2, as well?
 
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bake3009

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@ badboy2k I completed the change over. I cleaned out the old Actic Silver paste and applied the MX4 plus I re-applied the K-5 as needed. It made no difference. I am still running 60 at idle while my CPU is idling at around 40 or so. I guess, my next action is to go back to thermal pads and see if they will go any better. I did notice one thing that is troubling concerning the the K-5. It likes to run when my AMD based system heats up and I am wondering if that is normal for it. Any thoughts on it would appreciated. Also what thickness and size pad compliment will i need to re-pad my system? Thanks.
 

badboy2k

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if its still running hot i would look at the cooler itself and see how dirty it is as they tend to suck up alot of dust and dirt into the fins.
 

Svet

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I am not real tech savvy so I really don't know where to find the information you are talking about as far as clcoks, volts, and Pstate. As for the processor thermal paste, it was the Arctic Silver 5. Should I obtain something else and switch to that, instead? Any info is definitely appreciated. Thanks.
check with GPU-Z at sensor tab when the GPU is idle, at what clocks and voltages are operating

I cleaned out the old Actic Silver paste and applied the MX4 plus I re-applied the K-5 as needed. It made no difference. I am still running 60 at idle while my CPU is idling at around 40 or so. I guess, my next action is to go back to thermal pads and see if they will go any better. I did notice one thing that is troubling concerning the the K-5. It likes to run when my AMD based system heats up and I am wondering if that is normal for it. Any thoughts on it would appreciated. Also what thickness and size pad compliment will i need to re-pad my system? Thanks.
K5 Pro is used on surrounding components not on the GPU,
it don't have directly related to the GPU temp as it doesn't apply the there.
Just make sure to apply a lot of K5 Pro and if possible to completely cover the components and to make sure no gaps.
Else the K5 Pro is a high quality and able to handle high end and recent components if its correctly applied.
I don't think K5 Pro has anything to do with your issue.

but 60C at idle won't for such old and generally hot card doesn't sounds terrible,
what is the GPU load temp?
 
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