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post #1 of 1290 (permalink) Old 10-26-2018, 12:16 AM - Thread Starter
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9900k Overclock Results and Questions:

I have questions!!!


I overclocked my 9900k (retail version) using asrock z390 taichi to 5.1 Ghz: Vcore=1.26v, AVX offset=0 (no offset) LLC=level 1

Result:
R15 = 2215 (average)
BMW(Blender benchmark) = 193s
BMW(Blender program) = 201s
stable in Aida64 stress test, Temp= 65 - 78 c (avg temp range) and 82 c (max), (my room temp=24 c)
(I observed that my cpu use a Vcore=1.280v when under stress test load)

My Questions:

1) Is my CPU bad? average? or good? (I am sooo confused)

2) Should I return the cpu for a better lottery?

3) Should I try to overclock to 5.2Ghz for daily usage?



I have tested 5.2Ghz... but for some reason, I couldn't get it stable in Blender. For some reason, my cpu is stable in aida64 stress test (with avx test), but never stable in blender at 5.2Ghz.
I tried Vcore=1.4v (in BIOS) with LLC=level2 and the resulting Vcore(under load during test)=1.409v <--- Stable in aida64, but not stable in blender!









Note: Please feel free to post your overclocking results for 9900k below, what's everyone's overclocking results? I want to know!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!






~
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post #2 of 1290 (permalink) Old 10-26-2018, 12:28 AM
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If your CPU is not stable in the benches, then it simply isn't stable and needs more voltage. Out of curiosity, what is your cooler?

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post #3 of 1290 (permalink) Old 10-26-2018, 09:35 AM - Thread Starter
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Quote: Originally Posted by farmdve View Post
If your CPU is not stable in the benches, then it simply isn't stable and needs more voltage. Out of curiosity, what is your cooler?
360mm Aio from deepcool
thermal grizzly kryonaut
No delid
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post #4 of 1290 (permalink) Old 10-26-2018, 09:40 AM
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If you are stable at 5.1 and 1.26v that seems pretty damn good. I wouldn't complain about that. I also wouldn't go beyond that for 24/7 use. As you found out, you start needing a lot more voltage to get to 5.2 and 5.3.
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post #5 of 1290 (permalink) Old 10-26-2018, 09:52 AM - Thread Starter
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Quote: Originally Posted by tostitobandito View Post
If you are stable at 5.1 and 1.26v that seems pretty damn good. I wouldn't complain about that. I also wouldn't go beyond that for 24/7 use. As you found out, you start needing a lot more voltage to get to 5.2 and 5.3.



I have a feeling maybe if I do Vcore=1.42v, I can get it to stable at 5.2Ghz, worth it?



Is going beyond 5.1ghz for 24/7 daily usage a bad idea?



Honestly this seems like an average cpu to me, everyone can get 5.1 ghz.
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post #6 of 1290 (permalink) Old 10-26-2018, 10:19 AM
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I've watched a few review channels on YouTube in regards to overclocking the i9-9900K. If I remember correctly, I don't think any of them reached 5.1GHz, let alone using such low voltage like yours at even 5GHz. I would definitely keep it! Be happy with the result, and don't worry about upgrading for a really long time. Also, please don't go and delid your CPU. There's no need to do it any longer with the reintroduction of soldered CPUs from Intel. Your temperatures will drop very little in comparison to what they are already. I know you didn't say you were going to, but you did mention it nonetheless.

If you really want to push it to the extreme, find the highest voltage your CPU can run at for daily usage. Put it at that voltage, and then start bumping up your core clock little by little. You might be able to get 5.15GHz.

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post #7 of 1290 (permalink) Old 10-26-2018, 10:35 AM
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Quote: Originally Posted by HeroofTime View Post
I've watched a few review channels on YouTube in regards to overclocking the i9-9900K. If I remember correctly, I don't think any of them reached 5.1GHz, let alone using such low voltage like yours at even 5GHz. I would definitely keep it! Be happy with the result, and don't worry about upgrading for a really long time. Also, please don't go and delid your CPU. There's no need to do it any longer with the reintroduction of soldered CPUs from Intel. Your temperatures will drop very little in comparison to what they are already. I know you didn't say you were going to, but you did mention it nonetheless.

If you really want to push it to the extreme, find the highest voltage your CPU can run at for daily usage. Put it at that voltage, and then start bumping up your core clock little by little. You might be able to get 5.15GHz.




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post #8 of 1290 (permalink) Old 10-26-2018, 12:02 PM
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@Wihglah Wow would you look at that. Well, it's still a fresh CPU that a lot of hands haven't got a hold of. You may or may not have gotten a golden chip. Time will tell until more results are shared from other users. If I had to bet on it though, I would say you got yourself a golden chip. If not, then some YouTube reviewers have no idea how to actually overclock which wouldn't be too surprising, or there's only so much time they have until they move on to a different piece of hardware to review.

PS: Do mention that your CPU is stable at that speed and voltage. I'm sure you know CBR15 is not a way to test a CPU's stability. Make sure that your CPU has been tested stable in Prime95 or LINPACK at that speed and voltage. Otherwise, enjoy the beast of a processor you have.

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Last edited by HeroofTime; 10-26-2018 at 12:13 PM.
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post #9 of 1290 (permalink) Old 10-26-2018, 12:38 PM
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Quote: Originally Posted by Wihglah View Post
This is on a custom loop with two 360 radiators if I am not mistaken, so the fact he got a stable 5.1 on one radiator seems pretty impressive to me. Also OP very few 8700k's ever reach 5.1. You got a strong chip hitting that on an AIO.
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post #10 of 1290 (permalink) Old 10-26-2018, 01:01 PM
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Quote: Originally Posted by HeroofTime View Post
@Wihglah
Spoiler!

PS: Do mention that your CPU is stable at that speed and voltage. I'm sure you know CBR15 is not a way to test a CPU's stability. Make sure that your CPU has been tested stable in Prime95 or LINPACK at that speed and voltage. Otherwise, enjoy the beast of a processor you have.
prime95 is really a no no for intel chips anymore, unless using an old version of configuring it to NOT use AVX instructions by adding the following line to local.txt located in the same folder as the executable file:
Quote:
CpuSupportsAVX=0
fwiu, just running prime95 will slam the cpu to 90c+

but since i don't have a coffee chip, i could be mistaken.

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