How effective are Copper thermal pads

FP91G

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Quote from: miner29 on July 22, 2021, 08:18:14 AM

Quote from: Bravehash on July 22, 2021, 04:17:24 AM

Copper thermal pads? Can you use one on GPU? I don't think so because you will have problem screwing the fans back, it's a pain in the ass so use high grade thermal pads instead

For the actual gpu asic chip use thermal paste. For the memory and/or voltage rails use thermal pads.
Pads are not nearly as efficient as paste. Thin is better than thick.

Thermal paste can replace the thermal pad, but it all depends on the thickness. The thickness of the application of thermal paste is no more than 0.5 mm. With a greater distance, the use of thermal paste is impractical.
Thermal paste is cheaper and thermal pads are more expensive. But thermal paste has a shorter lifespan

miner29

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Quote from: Bravehash on July 22, 2021, 04:17:24 AM

Copper thermal pads? Can you use one on GPU? I don't think so because you will have problem screwing the fans back, it's a pain in the ass so use high grade thermal pads instead

For the actual gpu asic chip use thermal paste. For the memory and/or voltage rails use thermal pads.
Pads are not nearly as efficient as paste. Thin is better than thick.

Bravehash

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Copper thermal pads? Can you use one on GPU? I don't think so because you will have problem screwing the fans back, it's a pain in the ass so use high grade thermal pads instead

FP91G

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If you are such a fan of thermal pads, then it is better to use good ceramic models, because when heated, these thermal pads do not change their thermal conductivity.
For copper thermal spacers, you need to know the exact distance between the chip and the heatsink of the cooling system, because copper thermal spacers do not shrink.

batsonxl

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Im telling you guys again memory chips are plastic so there will be no big difference it is better change with quality high W thermal pads. Copper pads for metal chips.
It will be good solution if memory chips were metal like cpu or crystal like gpu itself.

TheMimic1

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Quote from: arielbit on July 20, 2021, 07:02:25 AM

Quote from: adaseb on July 19, 2021, 03:13:07 PM

Copper is obviously better however how do you ensure a complete contact surface between the memory chip and copper thermal pad? I am assuming you need this to cool your memory chips since most of the GPU die chips are already in contact with a copper heatsink, usually with thermal paste in between.

Since the memory chip is brittle and if you jam a large copper thermal pad on it and squeeze it together, you risk of damaging the memory chip. And even if you squeeze it to the point before it caused any damaged, the surface is rough and won't be a complete contact surface. You will need to use thermal paste also and if you are doing that you might as well use the thermal pads.

the thickness of copper in the picture LOL..if every contact is not exact, it is not the copper that will beak but the memory module. besides it is a disaster waiting to happen, if a single copper escaped being held between a memory module and the heatsink...then burn..

I've seen such before and it's not iron like real copper, it's still foamy like normal thermal pads don't be deceived by that picture, if it's complete iron copper it can't work as cooling pad 🤦

philipma1957

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Quote from: adaseb on July 19, 2021, 03:13:07 PM

Copper is obviously better however how do you ensure a complete contact surface between the memory chip and copper thermal pad? I am assuming you need this to cool your memory chips since most of the GPU die chips are already in contact with a copper heatsink, usually with thermal paste in between.

Since the memory chip is brittle and if you jam a large copper thermal pad on it and squeeze it together, you risk of damaging the memory chip. And even if you squeeze it to the point before it caused any damaged, the surface is rough and won't be a complete contact surface. You will need to use thermal paste also and if you are doing that you might as well use the thermal pads.

I would think a heatsink adhesive could work.

arielbit

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Quote from: adaseb on July 19, 2021, 03:13:07 PM

Copper is obviously better however how do you ensure a complete contact surface between the memory chip and copper thermal pad? I am assuming you need this to cool your memory chips since most of the GPU die chips are already in contact with a copper heatsink, usually with thermal paste in between.

Since the memory chip is brittle and if you jam a large copper thermal pad on it and squeeze it together, you risk of damaging the memory chip. And even if you squeeze it to the point before it caused any damaged, the surface is rough and won't be a complete contact surface. You will need to use thermal paste also and if you are doing that you might as well use the thermal pads.

the thickness of copper in the picture LOL..if every contact is not exact, it is not the copper that will beak but the memory module. besides it is a disaster waiting to happen, if a single copper escaped being held between a memory module and the heatsink...then burn..

adaseb

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Copper is obviously better however how do you ensure a complete contact surface between the memory chip and copper thermal pad? I am assuming you need this to cool your memory chips since most of the GPU die chips are already in contact with a copper heatsink, usually with thermal paste in between.

Since the memory chip is brittle and if you jam a large copper thermal pad on it and squeeze it together, you risk of damaging the memory chip. And even if you squeeze it to the point before it caused any damaged, the surface is rough and won't be a complete contact surface. You will need to use thermal paste also and if you are doing that you might as well use the thermal pads.

Refrumatrix

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Copper thermal pads are more effective than normal thermal pads that we are all used to, you can do some research about them using YouTube you will see many videos saying it's more effective than other

batsonxl

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Im not sure for this because memory and mosfets are not metal plated even you put copper chip is not transferring that much hot. They usually use this for metal chips.

anu1908

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you might be interested on this https://www.youtube.com/watch?v=uhtgUHZYjZ8. i think it will work more or less the same, but i can't confirm the effectivity of it. other videos reported more or less the same thing though.

Skinny48

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Where did you see this thermal pad for sale? I've never seen such before and I'm used to the normal blue thermal pad, they work very well for my needy though, since I'm the only one responding to this post it shows that many don't know about it yet

Gorosden

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Anyone using the copper version of thermal pads? How effective are they some are saying they are the best over normal blue and white thermal pads out there that we are all used to

Topic: How effective are Copper thermal pads (Read 224 times)