WCCF: Intel Core i9-10900K 235W Power at 4.8 GHz – Over 90C Temps With a 240mm AIO Cooler - Page 10 - Overclock.net - An Overclocking Community
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WCCF: Intel Core i9-10900K 235W Power at 4.8 GHz – Over 90C Temps With a 240mm AIO Cooler

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post #91 of 111 (permalink) Old 05-19-2020, 05:09 PM
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Quote: Originally Posted by Falkentyne View Post
You gave the wrong numbers in the PM. You gave me current IIN which is the power supply current to the VRM.
And 2.1 mOhms loadline on an 8700k:

1520 - (2.1 * 111) =1.286.9 volts. (vdroop=223mv)

Then for fixed vcore, you simply have to plug in the BIOS voltage set and the loadline calibration mOhms value if you know it. Then you cross-reference the 1286.9 volts to see how close you are to it.
Example:

if you used 1.350v set in BIOS with a Loadline Calibration of 0.525 mOhms, pulling 111 amps (Probably LLC6/Turbo on gigabye or Asus):

1350mv - (111 * 0.525)=1.291v.

So you would be good with 1.350v set in BIOS with LLC=Level 6 or = Turbo.

Keep in mind that this does not guarantee CPU longevity. It only guarantees that the CPU will not degrade suddenly. For guaranteed longevity, power limits and TAU and thermal limits must not be exceeded.
I apologize, ok so Current (IOUT): 111a is the correct value and going by your math that would put max safe voltage in BIOS at 1.350v assuming ~.500mv of LLC (Gigabyte, Turbo)?

I'm currently at 1.386v @ 5.1 GHz, 0 AVX, so I'm actually beyond 1.52v limit accounting for LLC on this board and need to dial it back?

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post #92 of 111 (permalink) Old 05-19-2020, 05:15 PM
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Quote: Originally Posted by Mooncheese View Post
I apologize, ok so Current (IOUT): 111a is the correct value and going by your math that would put max safe voltage in BIOS at 1.350v assuming ~.500mv of LLC (Gigabyte, Turbo)?

I'm currently at 1.386v @ 5.1 GHz, 0 AVX, so I'm actually beyond 1.52v limit accounting for LLC on this board and need to dial it back?
If you value the life of your CPU, I would pull it back a little, yes.
Keep in mind that cooling also matters here. If you were running sub-ambient or on chilled water, exceeding the curve a bit (like your 1.386v set) would not be a problem at all.

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Quote: Originally Posted by sakete View Post
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post #93 of 111 (permalink) Old 05-19-2020, 06:52 PM
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Quote: Originally Posted by Falkentyne View Post
If you value the life of your CPU, I would pull it back a little, yes.
Keep in mind that cooling also matters here. If you were running sub-ambient or on chilled water, exceeding the curve a bit (like your 1.386v set) would not be a problem at all.
Load temps don't exceed 65C with a good delid, is this not low enough? Also, all of this is assuming LLC on Gigabyte Z370 Aorus Gaming 7 is .500mv @ Turbo? Turbo isn't the highest setting, it's one step down from highest, highest on this board is Extreme.

I have a multimeter but can't seem to find out where exactly the voltage pins are on the back of the mobo and can't find any information on this via the internet. It's also not mentioned in the manual. Does anyone know how to measure voltage on Gigabyte Aorus Gaming 7?

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post #94 of 111 (permalink) Old 05-19-2020, 07:00 PM
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Quote: Originally Posted by Mooncheese View Post
Load temps don't exceed 65C with a good delid, is this not low enough? Also, all of this is assuming LLC on Gigabyte Z370 Aorus Gaming 7 is .500mv @ Turbo? Turbo isn't the highest setting, it's one step down from highest, highest on this board is Extreme.

I have a multimeter but can't seem to find out where exactly the voltage pins are on the back of the mobo and can't find any information on this via the internet. It's also not mentioned in the manual. Does anyone know how to measure voltage on Gigabyte Aorus Gaming 7?
LLC High is 50% vdroop reduced and Turbo "should" be 75% reduced. At least this is it on Z390. I heard Z370 had some funky stuff going on with 9900K's installed however.
default LLC is 2.1 mOhms (Standard/Normal= 2.1 mOhms). So High on your board "should" be 1.05 mOhms and Turbo should be 0.525 mOhms.

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Quote: Originally Posted by sakete View Post
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post #95 of 111 (permalink) Old 05-19-2020, 07:06 PM
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LMAO I swear every build I see on youtube has one of those with their nice RGBs. So air cooling is still superior ?
custom loops are still superior.

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post #96 of 111 (permalink) Old 05-19-2020, 08:30 PM
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Still no reason to upgrade from this 7900X at mixtures of 5.0-5.1 core speeds.


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post #97 of 111 (permalink) Old 05-20-2020, 08:09 AM
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post #98 of 111 (permalink) Old 05-20-2020, 11:44 AM
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Quote: Originally Posted by Falkentyne View Post
Hm...I feel ignored
He's literally on my ignore list lmao

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post #99 of 111 (permalink) Old 05-20-2020, 12:16 PM
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10 cores on a single die running at 4.8Ghz+ is an achievement AMD will never be able to achieve.

LOL. They had the first 5.0GHZ 8 core cpu did you forget?

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post #100 of 111 (permalink) Old 05-20-2020, 12:20 PM
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Quote: Originally Posted by Redwoodz View Post
LOL. They had the first 5.0GHZ 8 core cpu did you forget?
You mean 4 modules with 1 shared FPU?

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