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Liquid Metal paste on RX VEGA 64

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post #1 of 21 (permalink) Old 01-27-2019, 06:47 AM - Thread Starter
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Liquid Metal paste on RX VEGA 64

Hey Guys,

i have a simple question.
I read that Liquid Metal on unmolden is dangerous.
But why is it more dangerous to put Liquid Metal on a unmolden DIE compared to the molden DIE?

I dont see any SMD Parts in the "slots" and the DIE´s are also already "connected" over the Liquid Metal on the
DIE it self.

So why is it more dangerous? I mean.. if the Lquid runs down in the slit... what will happen? It will lay down there.. and then?
Abra Cadabra?

Please explain

Best Regards
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post #2 of 21 (permalink) Old 01-27-2019, 06:53 AM
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Liquid metal won't run down from your die, you're good to use it safely, just don't touch everything with the cotton swab you used to smear it around.

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post #3 of 21 (permalink) Old 01-27-2019, 06:54 AM
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If your cooler is nickel plated you're good. If it's bare copper you can still use it safely but it stains the copper and must be removed with something abrasive. I'd happily use it if my cooler were plated or bare.
If the die has ANYTHING around it that might come in contact with the LM you can clear over it using cellulose based clear nail polish.My 980 has a little depression around the die with contacts in it and the clear nail polish did the trick. The ingredients will list cellulose, nitrocellulose or something similar.
Liquid electrical tape is also an option but is more expensive.


The difference between using LM and good paste will be very small.

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post #4 of 21 (permalink) Old 01-27-2019, 07:03 AM
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About the difference - I dropped 10% in fans speed on my 290X Tri-X in comparision to MX-4 that was laid back then. I can't remember how hard did it hit my current GTX660 but it definitely helped as it is dead silent now, while it used to be plain annoying.

I didn't cover anything on both GPUs as they had nothing in the proximity of the die but I did shield golden contacts around the CPU with colorless nail polish, just for the safety. So if you'd find any golden contacts or smd or whatever, you might want to consider shielding these, but I've used the LM for a very long time and it never dripped from the original placement.

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post #5 of 21 (permalink) Old 01-27-2019, 07:08 AM
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Well yeah, older cards are going to get bigger gains than new ones but that's because the thermal paste it's replacing needs replacing

I put liquid metal on my 950 and 1060 and got maybe 2c at best at the same fan levels. Didn't bother putting it on my 1080 Ti.

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post #6 of 21 (permalink) Old 01-27-2019, 07:11 AM
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Unless 6 month old thermal paste is old then sure.

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post #7 of 21 (permalink) Old 01-27-2019, 07:16 AM
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My 1080 benefited a little from MX4 but it couldn't be more than 5c or so with the fans on 100%.
Using LM on my 980 vs the stock paste was closer to 10c even though the paste was only a year old or so.

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post #8 of 21 (permalink) Old 01-27-2019, 07:19 AM
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On the contrary, I've got a friend that replaced liquid metal on his quite fresh RX580 (can't remember which model at all) and all he got was 2% fan speed decrease.

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post #9 of 21 (permalink) Old 01-27-2019, 07:48 AM - Thread Starter
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Thank you Guys for your fast replys.
But that wasnt exactly what i was asking.

With molden or unmolden i meant the following as you can see in the attach files.

The chip is splited in 3 parts and "unmolden" have 3 slots between and the "molden" have some material between.
But as You can see. In the slots is nothing. So why do people say unmolden is more dangerous?

I dont understand...
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post #10 of 21 (permalink) Old 01-27-2019, 10:31 AM
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The answer is the same, the HBM doesn't change that.

It's fine to use LM on Vega, I would clear over the outer contacts to be safe.
As long as the LM isn't contacting aluminum, solder or contacts there shouldn't be an issue.

Quote: Originally Posted by SpeedyVT
If you're not doing extreme things to parts for the sake of extreme things regardless of the part you're not a real overclocker.
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