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CPU Discussion Discuss processors here: Past, present and future! No AMD v. Intel flames, please.

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  #1  
Old 01-22-2018
sew333 sew333 is offline
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Default 8700K and Cryorig M9i - skyrocket temp to 95C in Asus Real Bench

HI. I have 8700K on stock with mobo Asus Z370 Pro Gaming + case Fractal Design R5. Cpu temps on games are fine 70C+.

3dmark physic test looped 70-80C.
Unigine Heave 50-65C max on some spots.
Crysis 3 first level 60-72C

When i run Asus Real Bench it skyrockets in stress test to 95C, and i am stopping test.
In Prime95 its worst with small ftt,but i guess its using AVX.
Any ideas why it causing this?
My cpu cooler is Cryorig M9i.Cpu is not overclocked.

XMP profile enabled in bios on memory 3000mhz. UEFI STOCK bios. Cpu clocks during test 4700mhz so auto oc is on.

Is sense to play with this for syntetics only? Thanks. I am only testing games.
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Old 01-22-2018
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Do you have an option for Multicore enhancement in the BIOS? If this is set to auto it will basically OC all cores to 4.7 which would explain the temps. On ASUS boards it is on by default I believe.
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Old 01-22-2018
sew333 sew333 is offline
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Yes that option is on propably , because clocks on load is 4700mhz.
Is my gaming temps ok or not? But avx benches temps are bad
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Old 01-22-2018
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They are not bad for that cooler if all cores at 4700. If your happy mid 75c is not terrible for gaming for that CPU on the cooler. You can disable to option if you want temps to be a bit lower.
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Old 08-10-2018
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It should be fine that bench mark is using all the processor speed which shouldn't usually happened when gaming, but if your still having thoughts you can always opt-in on water cooling and will cost a bit/lot (depends what will you get).
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Old 08-10-2018
Batboy88 Batboy88 is offline
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delid it and put something good on it etc. and just block everything...it's nice seeing you're card not even hit 50c anymore. That's about right though, even 4.8ghz can easily go to 70-80c. Highly recommend mixed metal rigged block loop lol
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Old 08-11-2018
Stefan Payne Stefan Payne is offline
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What I found recently is this:
https://noctua.at/de/nh_l9a_am4_tdp_guidelines
https://noctua.at/de/nh_l9i_tdp_guidelines


So there are two possibilitys:

a) Intel overshoots the TDP dramatically
b) the soldering of the Die to the heatspreader allows for higher TDP


Quote:
Originally Posted by Batboy88 View Post
delid it and put something good on it etc. and just block everything...it's nice seeing you're card not even hit 50c anymore. That's about right though, even 4.8ghz can easily go to 70-80c. Highly recommend mixed metal rigged block loop lol
Yeah and that is why you do NOT buy an Intel and tell them, if you want to, that you won't buy them if they don't solder it...

Intel in the last couple of years seem to be optimizing for lower manufacturing cost...
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Old 08-13-2018
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With Intel TDP you also need to remember that there quoted for base clock speed.

So for the 8700k all cores @ 3.7GHz is what Intel uses to get the 95W TDP. Normal turbo on all cores is 4.3Ghz with some going up to 4.4-4.7Ghz, this uses much more power and generates a lot more heat. I would not be surprised if the turbo TDP of that CPU's is somewhere around 120w - 140w.

If he does have MCE on then all core will be at 4.7GHz which is very hot indeed.
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