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post #1 of 50 (permalink) Old 01-26-2019, 09:24 AM - Thread Starter
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9900K on air - too hot?

I'm trying to overclock a 9900k on air (Grand Macho RT). The case has great airflow and fans are maxed during testing. My chip seems to need a big voltage jump to get all cores to 5 GHz, so I'm just shooting for 4.9 all cores. I'm getting into the high 90s max core temps after 6-7 minutes of Prime 95 small FFT (no AVX, and AVX offset 0 in bios). Snapshot of HWinfo during my Prime95 run below.

Bottom line, I'm pulling 190W package power and hitting high 90's temps. Does that seem bad for Grand Macho RT + grizzly kryonaut? Maybe I need to re-paste? That cooler is a pain to mount but I'd do it again if I thought it would help.
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post #2 of 50 (permalink) Old 01-26-2019, 09:33 AM
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how is your ambient room temperature?


also, 190W for package power is quite high.
i don't think your chip in particular would sit well with an air cooler.

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post #3 of 50 (permalink) Old 01-26-2019, 09:36 AM - Thread Starter
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Quote: Originally Posted by epic1337 View Post
how is your ambient room temperature?
Ambient is around 20C. Not warm.

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post #4 of 50 (permalink) Old 01-26-2019, 09:37 AM - Thread Starter
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Quote: Originally Posted by epic1337 View Post
how is your ambient room temperature?


also, 190W for package power is quite high.
i don't think your chip in particular would sit well with an air cooler.
What do you mean by "sit well"? You think the mounting is bad?

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post #5 of 50 (permalink) Old 01-26-2019, 09:38 AM
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It's not too hot because it's not at 100c, but it is hot for that voltage.

At ~1.32v on a H115i Pro I max out at ~90c and I'd say our coolers are about on par with each other (at least on my 6700 my old LGMRT and H115i performed nearly identically).

Do you not have a VR VOUT sensor? It's a far more accurate representation of what voltage your chip is actually getting.

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post #6 of 50 (permalink) Old 01-26-2019, 09:40 AM
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Quote: Originally Posted by Luck100 View Post
What do you mean by "sit well"? You think the mounting is bad?

no, i meant it would be hot with any air cooler.
from what i've seen in other reviewers that had their chip reach 190W package power, they tend to hit 85°C~95°C temps on their air coolers.

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post #7 of 50 (permalink) Old 01-26-2019, 09:44 AM - Thread Starter
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Quote: Originally Posted by The Pook View Post
It's not too hot because it's not at 100c, but it is hot for that voltage.

At ~1.32v on a H115i Pro I max out at ~90c and I'd say our coolers are about on par with each other (at least on my 6700 my old LGMRT and H115i performed nearly identically).

Do you not have a VR VOUT sensor? It's a far more accurate representation of what voltage your chip is actually getting.
It's an Asus Maximus XI Hero motherboard. No VR out, but the Vcore sensor is supposed to be much more accurate. And it's known the new Asus vcore sensor reads about 100mV lower than other motherboards (I guess Asus is saying most motherboards read higher than what's really going in).

Regardless of Vcore, the package power is 190W. 190 watts of heat is 190 watts, shouldn't matter the precise voltage. What's your package power when you're at 1.32V / 90C?

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post #8 of 50 (permalink) Old 01-26-2019, 09:47 AM
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And what is macho rated for ? it should have no problems cooling 190W

Max. TDP 300 Watt
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post #9 of 50 (permalink) Old 01-26-2019, 09:51 AM - Thread Starter
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Quote: Originally Posted by epic1337 View Post
no, i meant it would be hot with any air cooler.
from what i've seen in other reviewers that had their chip reach 190W package power, they tend to hit 85°C~95°C temps on their air coolers.
I was afraid of that. Do you have any links where they show something like that? I know this chip is going to be hot on air, but I was hoping to do a bit better than >95C. I think the cooler is rated for 300W TDP (yes, I know it's probably a nonsense spec but seems like it should do the job if the solder/paste/IHS allow).

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post #10 of 50 (permalink) Old 01-26-2019, 09:52 AM
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Quote: Originally Posted by Luck100 View Post
What's your package power when you're at 1.32V / 90C?

P95 25.6 Blend ~160w, hovers ~200w on Small FTT.

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