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Guru3D Thermal Paste Roundup 2019
Posted by: on: 08/23/2019 11:58 AM [
67 comment(s) ]
Thermal paste is an often-overlooked part of most computer setups. You can simply use the pre-applied stuff, or the thermal paste that comes with your motherboard, and still get reasonable processor temps at stock speeds. Thermal paste is a compound that helps to fill the gap between the CPU and a custom cooler.
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A M D BugBear
Senior Member
Posts: 3917
Senior Member
Posts: 3917
Posted on: 08/23/2019 05:54 PM
Thank you very much for this review. Would been nice to see in the review:
KINGPIN KPx thermal paste.
Wasn't surprised that Thermal Grizzly Kyronaut standed at the top.
What as very interesting is that cpu on load @ 5ghz/1.35v, that coolermaster maker, took the crown as the best paste during that particular session, very interesting results.
Thanks again.
Thank you very much for this review. Would been nice to see in the review:
KINGPIN KPx thermal paste.
Wasn't surprised that Thermal Grizzly Kyronaut standed at the top.
What as very interesting is that cpu on load @ 5ghz/1.35v, that coolermaster maker, took the crown as the best paste during that particular session, very interesting results.
Thanks again.
A M D BugBear
Senior Member
Posts: 3917
Senior Member
Posts: 3917
Posted on: 08/23/2019 05:56 PM
AS5 is good for normal use, if your into extreme overclocking, Thermal Grizzly Kyronaut is the way to go, especially for the gpu, at least 10c difference, well from my own testing that is, there is a BIG difference between the two while under extreme overclocking situations, absolutely yes.
For instance, While doing my 4-way Sli Project, gtx 970's.
I wanted to see the difference on the first gpu, in a NON AC room, very hot room, wanted to see the difference.
I had AS5 for quite some time on the first gpu, It went so high, it went over 90c+, I stopped,
AS5 was not fully broken into yet but still even then, Kyronaut would still win by a large margin, temp went to high, so I changed, absolutely big difference.
After cleaning out everything, Used Artic Clean kit(Remover/Purifier), Applied fresh paste of Kyronaut, it went to like upper 70's to around 80c/81c.
And that's with Blackplate removed, Extreme cooling, etc. If you are all interested looking into the project I been doing for some time, have a look:
https://forums.guru3d.com/threads/my-experience-with-4-way-sli-thus-far.425674/
One thing I love about the as5, very easy to spread, doesn't seperate while applying on the actual die of Gpu, don't need to use that extra piece to spread out the paste like the Kyronaut has, that one you have to use that shovel looking piece that you attach to the actual syringe, AS5 no need.
me too I've been using AS5 for so long that I don't remember but it's way more than 10 years.
AS5 is good for normal use, if your into extreme overclocking, Thermal Grizzly Kyronaut is the way to go, especially for the gpu, at least 10c difference, well from my own testing that is, there is a BIG difference between the two while under extreme overclocking situations, absolutely yes.
For instance, While doing my 4-way Sli Project, gtx 970's.
I wanted to see the difference on the first gpu, in a NON AC room, very hot room, wanted to see the difference.
I had AS5 for quite some time on the first gpu, It went so high, it went over 90c+, I stopped,
AS5 was not fully broken into yet but still even then, Kyronaut would still win by a large margin, temp went to high, so I changed, absolutely big difference.
After cleaning out everything, Used Artic Clean kit(Remover/Purifier), Applied fresh paste of Kyronaut, it went to like upper 70's to around 80c/81c.
And that's with Blackplate removed, Extreme cooling, etc. If you are all interested looking into the project I been doing for some time, have a look:
https://forums.guru3d.com/threads/my-experience-with-4-way-sli-thus-far.425674/
One thing I love about the as5, very easy to spread, doesn't seperate while applying on the actual die of Gpu, don't need to use that extra piece to spread out the paste like the Kyronaut has, that one you have to use that shovel looking piece that you attach to the actual syringe, AS5 no need.
Truder
Senior Member
Posts: 1999
Senior Member
Posts: 1999
Posted on: 08/23/2019 06:00 PM
I'm surprised Arctic Silver 5 does soo poorly when it has a very respectable thermal conductivity figure.
That's been my paste of choice for years. Time to switch up!
The problem is companies are quoting thermal conductivity values under no pre-defined standard that is to say there's no industry standard for the testing methodology used.
Company A could be measuring thermal conductivity at a stabilised temperature of say 40°c whilst company B could be doing so at 20°c and then company C could be measuring at a compounds most efficient temperature.
This is a problem as many compounds have different conductivity based on temperature (some perform poorly at high temperatures whilst others at very low temperatures etc).
This is why you need to consider the application the thermal compound will be used in and why we need tests like these ones performed here on Guru3D as the manufacturers ratings can easily be misrepresented to show ideal circumstances and not normal use as shown in the results we see today.
I'm surprised Arctic Silver 5 does soo poorly when it has a very respectable thermal conductivity figure.
That's been my paste of choice for years. Time to switch up!
The problem is companies are quoting thermal conductivity values under no pre-defined standard that is to say there's no industry standard for the testing methodology used.
Company A could be measuring thermal conductivity at a stabilised temperature of say 40°c whilst company B could be doing so at 20°c and then company C could be measuring at a compounds most efficient temperature.
This is a problem as many compounds have different conductivity based on temperature (some perform poorly at high temperatures whilst others at very low temperatures etc).
This is why you need to consider the application the thermal compound will be used in and why we need tests like these ones performed here on Guru3D as the manufacturers ratings can easily be misrepresented to show ideal circumstances and not normal use as shown in the results we see today.
Kool64
Senior Member
Posts: 1364
Senior Member
Posts: 1364
Posted on: 08/23/2019 06:05 PM
AS5 is good for normal use, if your into extreme overclocking, Thermal Grizzly Kyronaut is the way to go, especially for the gpu, at least 10c difference, well from my own testing that is, there is a BIG difference between the two while under extreme overclocking situations, absolutely yes.
One thing I love about the as5, very easy to spread, doesn't seperate while applying on the actual die of Gpu, don't need to use that extra piece to spread out the paste like the Kyronaut has, that one you have to use that shovel looking piece that you attach to the actual syringe, AS5 no need.
AS5 held up nice on my i7930 and then the eventual i7980 in the old days of BCLK ocing. Can't really complain. It also got me through the years of using an Opteron 144 at a 40% OC many many moons ago. I don't really OC any more having since switched to the Ryzen platform but I do miss the good ol days.
AS5 is good for normal use, if your into extreme overclocking, Thermal Grizzly Kyronaut is the way to go, especially for the gpu, at least 10c difference, well from my own testing that is, there is a BIG difference between the two while under extreme overclocking situations, absolutely yes.
One thing I love about the as5, very easy to spread, doesn't seperate while applying on the actual die of Gpu, don't need to use that extra piece to spread out the paste like the Kyronaut has, that one you have to use that shovel looking piece that you attach to the actual syringe, AS5 no need.
AS5 held up nice on my i7930 and then the eventual i7980 in the old days of BCLK ocing. Can't really complain. It also got me through the years of using an Opteron 144 at a 40% OC many many moons ago. I don't really OC any more having since switched to the Ryzen platform but I do miss the good ol days.
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Senior Member
Posts: 13655
I have the same experience with MX4. After 2 weeks the Temp went up by 10C, and it looked all watery.
I'll stick to Noctua NT-H1 on my CPU and GPU like i have been doing for the past 10 years. It doesn't dry out either. I recently applied new paste after 2 years and the temps were the same.
I believe this can happen if you've not pushed out some of the loose/watery paste from the end before applicating it, the mx4 i've seen in video's is not a watery/thin substance by any means, but i can only comment on the MX4 i have used personally, it never turned watery.
I will concede that Artic may have fudged the product to sell something more expensive though