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post #11 of 36 (permalink) Old 05-19-2020, 11:19 AM - Thread Starter
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Quote: Originally Posted by Shawnb99 View Post
Can't hurt. If don't want to go direct die you could delid and then get the Rockit IHS. Flatter and better then Intel's.
I read that re-lid for soldered chips as 9900K doesn't yield meaningful improvements, compared to previous gen chips such as 8700k where they had paste as tim between IHS and the die.
I would go direct die if I choose to remove the IHS.

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post #12 of 36 (permalink) Old 05-19-2020, 11:29 AM
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Quote: Originally Posted by Hawkjoss View Post
I read that re-lid for soldered chips as 9900K doesn't yield meaningful improvements, compared to previous gen chips such as 8700k where they had paste as tim between IHS and the die.
I would go direct die if I choose to remove the IHS.
Yeah I would as well. If you're delidding, direct die is the next step. IHS can be put back on when reselling.

Even delid doesn't offer that great of a temp difference compared to previous gen but any bit helps, specially when these things like to reach these high temps.

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post #13 of 36 (permalink) Old 05-19-2020, 11:30 AM
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Those temps look right, 9900k is a poorly engineered chip. The package was designed for 6 cores not 8 so it runs insanely hot even with an open loop. i have a 360MM EVGA AIO on mine and at 5GHz 1.31V im pushing close to 90C in prime95 so your are about right. It's just a really hot chip there isnt much you can do aside from deliding and sanding down the silicon.

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post #14 of 36 (permalink) Old 05-19-2020, 11:35 AM - Thread Starter
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Quote: Originally Posted by philhalo66 View Post
Those temps look right, 9900k is a poorly engineered chip. The package was designed for 6 cores not 8 so it runs insanely hot even with an open loop. i have a 360MM EVGA AIO on mine and at 5GHz 1.31V im pushing close to 90C in prime95 so your are about right. It's just a really hot chip there isnt much you can do aside from deliding and sanding down the silicon.
Which version of P95 you are running? do you have any AVX offset?
if it is P95 AVX without AVX offset your cooling doing way better then mine, so it is definitely something wrong with my setup

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post #15 of 36 (permalink) Old 05-19-2020, 11:36 AM
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I lost 15°c with delid, direct die+LM (conductonaut)

I used the rockit delid tool. I wanted to heat the IHS with hair dryer (I dont have heatgun) but it went into safety after 10s so I decided to delid without it. It was very easy and remove the TIM with solder remover also

I also use Ek velocity, no problem for contact even with washer.
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post #16 of 36 (permalink) Old 05-19-2020, 11:44 AM - Thread Starter
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Nice, Darkseid1979! it is a solid improvement!
I'm trying to figure out if it is the max cooling capacity I have OR I did something wrong with OC/mounting. If the results I posted are the best I can get with current hardware/settings, I will go for direct die.
What were your temps before d-die?

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post #17 of 36 (permalink) Old 05-19-2020, 12:00 PM
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To put on perspective I'm on apex XI, 9900ks and 2x8 Go 4500 1T 17 19 39 with tights sub timings so I need a little more voltage to stabilize (0.02v)

So for 5.1 avx -1 I needed 1.315v LLC5. Prime95avx2 Smallfft (2h) push 240w and temp was 85°(88 in peak)

After delid I was at 68° but I don't let Prime95 for long time (because I previously passed the test)

Now I'm at 5.2 avx -1 with 1.355v Prime95 smallfft non avx 71° (2h 200w & 74° in peak) / avx2 76° (2h 253w & 81° in peak)

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post #18 of 36 (permalink) Old 05-19-2020, 12:50 PM
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Quote: Originally Posted by Hawkjoss View Post
Which version of P95 you are running? do you have any AVX offset?
if it is P95 AVX without AVX offset your cooling doing way better then mine, so it is definitely something wrong with my setup
I used prime95 26.6 and i used the settings der8auer suggested for testing stability. I disabled AVX offset because it kept underclocking to 4.7Ghz i just run full 5GHz.

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post #19 of 36 (permalink) Old 05-19-2020, 01:25 PM - Thread Starter
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Quote: Originally Posted by philhalo66 View Post
I used prime95 26.6 and i used the settings der8auer suggested for testing stability. I disabled AVX offset because it kept underclocking to 4.7Ghz i just run full 5GHz.
Ran a quick 10 min test on 5.0, P95 26.6, run FFT in-place with size of 12-12 - max temp was 80C with avg 76C on cores

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post #20 of 36 (permalink) Old 05-19-2020, 02:15 PM
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Half hour run. 1.225VCore Adaptive.

Radiator heat dump raised ambient 2.4°C.

Direct die with Conductonaut.
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In no way should it be misconstrued that I do not disagree.
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