How often does the Intel IHS receive changes

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Pop000100

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Feb 3, 2017
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Hello i have been thinking about commissioning a silver IHS for coffee lake(i understand its just speculation currently), i have a Skylake currently would a replica Skylake IHS work for Kaby, and coffee lake
 
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Ecky
Between generations, sometimes the die height changes. With Skylake, the PCB got thinner, which required a thicker IHS to work with the same heatsinks and mounting mechanisms vs earlier generations. So, no, it won't necessarily carry forward.

Why not delid your CPU and run bare die? I can't see much point in going through the trouble of building an expensive IHS replacement out of exotic materials. For years, I ran with a high-end waterblock bolted directly to the bare die of my i5, but honestly the lower temps did nothing, and I regret even delidding it because it has no resale value anymore. I now have the IHS reattached, with CL Ultra TIM, and a low profile cooler, and everything works just as well as with bare die watercooling. I...
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Ecky

Ecky

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Feb 3, 2013
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Between generations, sometimes the die height changes. With Skylake, the PCB got thinner, which required a thicker IHS to work with the same heatsinks and mounting mechanisms vs earlier generations. So, no, it won't necessarily carry forward.

Why not delid your CPU and run bare die? I can't see much point in going through the trouble of building an expensive IHS replacement out of exotic materials. For years, I ran with a high-end waterblock bolted directly to the bare die of my i5, but honestly the lower temps did nothing, and I regret even delidding it because it has no resale value anymore. I now have the IHS reattached, with CL Ultra TIM, and a low profile cooler, and everything works just as well as with bare die watercooling. I can even hit the same clocks.
 
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Solution
P

Pop000100

Commendable
Feb 3, 2017
16
0
1,510
because test show that baredie is worse then delidding then reattaching the IHS since die surface area is shrinking resulting in worse thermal transfer.
thank you.

"Between generations, sometimes the die height changes. With Skylake, the PCB got thinner, which required a thicker IHS to work with the same heatsinks and mounting mechanisms vs earlier generations. So, no, it won't necessarily carry forward."
answered my question
 
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Ecky

Ecky

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Feb 3, 2013
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Which tests are those? The die is always the same size, whether it's under an IHS or not, and it's what creates the heat. My tests showed the opposite - lowest temps with the fewest layers of imperfectly conductive material on top of the die.
 
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