This copper IHS claims to reduce the temperature of your i9-12900K by 15 degrees Celsius.
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rl66
The full copper IHS is a hoax, it does nothing exept milk those that want the "finest" for their PC (as the original one have copper inside too and less heat resistant outside).
The only thing that do something is the solder, and if you polish the original IHS too you will get the same or better result... For less money.
Wrinkly
I wouldn't mind paying Intel an extra £150 to have such a IHS on my 12900k.
Yogi
With thermodynamics the devil is in the details. I agree with the copper not making any noticable difference but if they can achieve better tolerances between the chip and the IHS (meaning less TIM required), a thinner IHS overall (less thermal resistance), and better surface finishes between both the chip and IHS and the IHS and cooler (less thermal resistance again). Then it will perform better than stock.
cucaulay malkin
is it not made of copper ?
kakiharaFRS
the inner machining looks like an aliexpress thing, contact surface better be mirror smooth for me the be interested
Nadzlee
there's a plastic cover. take a closer look.
schmidtbag
Uh... isn't the original IHS just nickel-plated copper? I'm sure 99% of the difference is the liquid metal compound.
BLEH!
Just buy an AMD CPU instead - it won't require a nuclear plant to power it, nor will it melt when run on a stock cooler...
TheDeeGee
I had a different experience for the short time i owned a 5800X, that thing could heat my house during the winter.
Agent-A01
You aren't getting the same result from a polish, 80% of the gains are from the liquid metal instead of solder.
Yes difference being the new ihs is perfectly flat instead of concave/convex plus liquid metal.
Airbud
why didn't they do this from the factory?...Grrrr
The Goose
Probably because copper is more expensive
BlindBison
With stock coolers the higher core/thread count AMD CPUs still run very hot unless you're in like a super cold room or something. Upgrading to a 240mm liquid cooler did somewhat improve temps for my 3900X, but that thing can get very hot under sustained all core loads (~90 degrees C).
For users with the best cases, the best fans, and the best CPU coolers and paste money can buy you can reduce temps quite noticeably, but AMD CPUs definitely run hot as you go up the stack to the ones with more cores and threads. From what I've read the temps are still being pushed hard on Zen 3.
BlindBison
This represents my experience with the 3900X too. When I moved and was able to bring down ambient temperatures in the room I game in, this had a noticeable effect on CPU temps in my case interestingly.
rl66
yes but in this case it is just "cheaper", not "a bit cheaper" 🙂 (even more if you do it with no box / no fan version
Reddoguk
The IHS on all modern CPU's is solid copper. Copper though is pretty bad with reacting to things in the air like oxygen so that's the only reason it's coated in nickel.
I actually don't believe those numbers, i have lapped and removed heat sinks before and the best results i had was only ever about 4-5C and that was using the best available paste. I call BS on 15C. Unless they had a dodgy IHS to begin with.
rl66
full copper vs original copper nickel polish give almost the same result with IHS and, as you said, it is the paste or liquid metal or solder that give most of the gain.
rl66
it is but it give nearly no gain over the normal IHS
rl66
Copper tend to green... this is why they put nickel on it (but there is copper inside)
And about liquid metal, it is due to the risk of fail on production, to succeed, you need hand made aplication, time and precision (and 99% of the final user would not notice the change), so it's a no go for them.
Wrinkly
I waited for the 3D versions, but what a let down. Plus the reports on CPU degradation, faulty ports and of course idle crashing was a little off putting. I find the 12900k does a great job with 125W PL2 on air. Plenty of power for Visual Studio, VMWare, Android Studio and of course the odd game. With a NH-D15 and Fractal Torrent case the CPU maxes out at 60C running CBr23 with a score off 25k. Good enough as I will never need the all core performance and it's silent under my desk. Gaming, CP2077 & DL2, hits ~45C. Pleasantly surprised how good Alder Lake is.
