arctic silver 5 vs MX-2

Oct 9, 2015
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1
41
#1
I want to buy asus g73jh,and I want to reaplied thermal paste on gpu and cpu.Which thermal paste is better: Arctic silver 5 or MX-2?For me is important any degree.Thanks,
 

lehtv

Elite Member
Dec 8, 2010
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#2
Do you already have these pastes? If so it doesn't really matter which one you use, they're similar quality. If not and you're considering what to buy, I'd recommend MX-4.

I want to buy asus g73jh
You want to reapply thermal paste on a laptop? People do that? :) I highly doubt it's going to make enough of a difference to be worth the hassle.
 

PliotronX

Diamond Member
Oct 17, 1999
8,886
2
106
#3
MX-2 is generally a better performer and not even slightly capacitive. It tends to perform better than MX-3 and 4 and suffers less long term deterioration. MX-2 is one of my all time favs :)
 

lehtv

Elite Member
Dec 8, 2010
11,900
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#4
MX-2 is generally a better performer and not even slightly capacitive. It tends to perform better than MX-3 and 4 and suffers less long term deterioration. MX-2 is one of my all time favs :)
Tom's Hardware's thermal paste roundup results disagree with that. MX-2 is better only when used on the GPU. For the CPU, MX-4 is better and MX-2 and AS5 are about the same.

Closed-Loop Liquid Cooler; High Mounting Pressure
MX-4 32.4
MX-2 32.9
AS5 33.0
-> MX-4 is better than MX-2 which is about the same as AS5

CPU Air Cooler; High Mounting Pressure
MX-4 36.5
MX-2 36.6
AS5 37.7
-> MX-4 and MX-2 are about the same, AS5 is worse

CPU Air Cooler; Low Mounting Pressure
MX-4 36.9
MX-2 37.5
AS5 37.7
-> MX-4 is better than MX-2 which is about the same as AS5

Air-Cooled GPU; Medium Mounting Pressure
MX-2 66.5
MX-4 67.5
AS5 69.5
-> MX-2 beats MX-4 beats AS5

One can wonder about the margin of error though. Each application of thermal paste is a little different, each mounting a little different, there's a good chance that those decimals are pretty meaningless unless a sufficient number of reapplications was done, but I don't see any mention of testing methodology in the roundup.

TweakTown's results: MX-3 beats MX-4 beats MX-2 beats AS5. However other sites have found that MX-4 beats MX-3 (hardwareheaven, eTeknix), so I'm inclined to believe that MX-4 is indeed the best of the bunch for CPU cooling (as you would expect, given that it's then newest iteration in the MX series).
 

aigomorla

Cases and Cooling Mod PC Gaming Mod Elite Member
Super Moderator
Sep 28, 2005
17,199
59
126
#5
the problem with tests on AS5 is the cure time required for AS5.

However MX should still outperform AS5.
 

lehtv

Elite Member
Dec 8, 2010
11,900
0
91
#6
^Good point =)
 
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