Amd r9 290 Heat sink surface

RCoon · Jan 15, 2014

I read somewhere (Was it you in the 290 thread?) about this concavity, and that lapping the contact down could dramatically improve temps. My congratulations to you sir!

natr0n · Jan 15, 2014

nice.

Solaris17 · Jan 15, 2014

what grit?

Solaris17 · Jan 15, 2014

freeleacher said:
Remember to remove all the thermal pads and place them on the board except the long vrm that will likely snap if you try to remove it.
You need to do this to avoid getting any crap on them.

Oh I know it isnt my first rodeo I was just wondering did you sand with the paper wrapped around the stone? I was going to bake off the copper block so it was easier to work with then use thermal epoxy to put it back on. do you think you had enough room?

cadaveca · Jan 15, 2014

best to use double-sided tape and cut sandpaper to match your block.

Nordic · Jan 15, 2014

I just did some lapping myself. The highest grit I could find in either auto/hardware store was 3000 grit. Where did you get 12k grit?

Divide Overflow · Jan 15, 2014

Good to see you got some temp drops for your efforts!

I had been wondering if the GPU die was flat enough to justify such work. (Your results suggest it is) What kind of fingerprint were you getting from your thermal paste?

EpicShweetness · Jan 16, 2014

Wow! take the stock block and sand it flat and the temps are better.....
Good job AMD :nutkick:

What paste did you use, that might of contributed to the better temps to
Again :nutkick:

AMD, serious :nutkick:

Nordic · Jan 16, 2014

EpicShweetness said:
Wow! take the stock block and sand it flat and the temps are better.....
Good job AMD

Since I had all my lapping stuff out the other day I lapped a bunch including my sapphire dual x cooler. That cooler kept my 7970 really quiet and at 70c. Now it sits at 60c almost silent. If you want a quality polished surface you need to do it yourself or go aftermarket. Its not amd' but just cheap manufacturing.

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Amd r9 290 Heat sink surface

freeleacher

RCoon

natr0n

Solaris17

Super Dainty Moderator

Solaris17

Super Dainty Moderator

cadaveca

My name is Dave

Nordic

Divide Overflow

EpicShweetness

Nordic

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