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Question on changing coolers

post #1 of 5
Thread Starter 
When applying thermal paste do you do the "pea size pellet" trick as you do on cpu's? I picked up a VF770 for an old 4850, it's nice and quiet like I wanted but temps are outrageously high now. Went from 40c idle to 55 idle and load went from 62c to 100c. I'm wondering if maybe I did not use the AS5 correctly, the instructions said to cover the chip thoroughly but I did a rice size drop instead. Should I cover the entire chip?
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post #2 of 5
I have always applied a rice sized glob on it, then take a credit card or something and smear it even on-top the die. Done it for years, never a problem.

Everyone has their own methods really.
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post #3 of 5
For Exposed GPU dies, I have always does as above, a small rice sized drop and spread with a razor blade, then the same on the cooler.

if it has a cover die (like a CPU) then I use a rice size drop. Pea size is too big.
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post #4 of 5
Thread Starter 
I used a rice size drop but did not spread it as I never do with CPU's. I'll retry it, maybe it's not even which is causing the high temps.
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post #5 of 5
Thread Starter 
Reapplied the same amount of AS5 but spread it over the chip instead of allowing the cooler to do that. Idle went down to 35c and load went to 78c. This is at the Silent setting of 1,350 rpm which is rated at 18.5 dba. I would imagine once the AS5 sets it will drop a few more degrees.
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