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Overheating CPU

Hey all,

I recently had my 8700k delidded by silicon lottery. Once I did end up putting it in my system, couldn't clock it over 4.4GHz without throttling in Aida64. I figured it might be a bad delid, I sent it back to them for testing and binning. They just got back to me with sub 70 C temps while clocked at 4.9GHz in P95.

 

Their setup was (@1.36V) Maximus X Hero, Corsair H105 AIO, while I used a (@1.32V) Gigabyte HD3P rev1.0 and a Corsair H100i v2. 

 

I'm guessing there's something wrong with my cooler, right? Is there anything short of testing on a different cpu I can do to confirm this? And is there anything I should know before I RMA it?

 

Thanks!

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Voltage?

I WILL find your ITX build thread, and I WILL recommend the SIlverstone Sugo SG13B

 

Primary PC:

i7 8086k (won) - EVGA Z370 Classified K - G.Skill Trident Z RGB - WD SN750 - Jedi Order Titan Xp - Hyper 212 Black (with RGB Riing flair) - EVGA G3 650W - dual booting Windows 10 and Linux - Black and green theme, Razer brainwashed me.

Draws 400 watts under max load, for reference.

 

Linux Proliant ML150 G6:

Dual Xeon X5560 - 24GB ECC DDR3 - GTX 750 TI - old Seagate 1.5TB HDD - dark mode Ubuntu (and Win7, cuz why not)

 

How many watts do I need? Seasonic Focus thread, PSU misconceptions, protections explainedgroup reg is bad

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3 minutes ago, WolfRamAlpha12 said:

I'm guessing there's something wrong with my cooler, right? Is there anything short of testing on a different cpu I can do to confirm this?

so what is your setup? how hot does it get to throttle?

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1 minute ago, fasauceome said:

Voltage?

the respective ones are in parenthesis next to the setups (1.36 for them 1.32 for me), sorry if that wasn't clear.

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Just now, WolfRamAlpha12 said:

the respective ones are in parenthesis next to the setups (1.36 for them 1.32 for me), sorry if that wasn't clear.

I see. Does HWMonitor or something report accurate voltages while in your OS?

I WILL find your ITX build thread, and I WILL recommend the SIlverstone Sugo SG13B

 

Primary PC:

i7 8086k (won) - EVGA Z370 Classified K - G.Skill Trident Z RGB - WD SN750 - Jedi Order Titan Xp - Hyper 212 Black (with RGB Riing flair) - EVGA G3 650W - dual booting Windows 10 and Linux - Black and green theme, Razer brainwashed me.

Draws 400 watts under max load, for reference.

 

Linux Proliant ML150 G6:

Dual Xeon X5560 - 24GB ECC DDR3 - GTX 750 TI - old Seagate 1.5TB HDD - dark mode Ubuntu (and Win7, cuz why not)

 

How many watts do I need? Seasonic Focus thread, PSU misconceptions, protections explainedgroup reg is bad

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1 minute ago, dgsddfgdfhgs said:

so what is your setup? how hot does it get to throttle?

(@1.32V) Gigabyte HD3P rev1.0 and a Corsair H100i v2. The CPU went over 100C in about 15 seconds.

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Have you removed the cooler, cleaned, repasted and remounted? This kind of sounds like an issue with your pump.

Sincerely,

 

me

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1 minute ago, fasauceome said:

I see. Does HWMonitor or something report accurate voltages while in your OS?

Yeah, it varied b/w 1.31-1.33v depending on the load

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Just now, aisle9 said:

Have you removed the cooler, cleaned, repasted and remounted? This kind of sounds like an issue with your pump.

I did that about 4 times(pea size, line, spread with a spudger). I even got a IC graphite thermal pad to remove any chance of a poor application. Those only increase temps by 2-3C, not enough to explain the delta b/w my temps and their temps

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3 minutes ago, WolfRamAlpha12 said:

The CPU went over 100C in about 15 seconds.

this is the problem!! as if no cooler installed

reseat it or may be faulty pump

 

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Just now, WolfRamAlpha12 said:

I did that about 4 times(pea size, line, spread with a spudger). I even got a IC graphite thermal pad to remove any chance of a poor application. Those only increase temps by 2-3C, not enough to explain the delta b/w my temps and their temps

Are the cooler's fans connected? Sorry, I know it's a dumb question, but worth asking before you RMA something. Do you have a different cooler you can try?

Sincerely,

 

me

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1 minute ago, aisle9 said:

Are the cooler's fans connected? Sorry, I know it's a dumb question, but worth asking before you RMA something. Do you have a different cooler you can try?

Yeah, I did replace the stock fans with Noctuas, but they show up in the Corsair software with RPMs reporting just fine. I did feel the mounting surface of the cooler, and it felt uneven with several grooves along one direction. It was nothing crazy, wasn't even visible. Is that something of concern?

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9 minutes ago, dgsddfgdfhgs said:

this is the problem!! as if no cooler installed

reseat it or may be faulty pump

 

The corsair software shows the pump running at standard speeds, and I can game and use my PC just fine, its just that the temps reach 70C in most tasks.

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kinda sounds like a bad cpu to me. I don't have mine delidded and can reach 5.1ghz hitting in the 80c but I am also water cooled.

My Rig: CPU: i9-9900k (5Ghz), Ram: 32gigs 3600mhz DDR4 CL16, MOBO: Gigabyte Aorus z390 Ultra, HDD: Samsung 970 Evo 500gig x2, Samsung 850 evo 250 gig, 2 TB Baracuda 7200 rpm,6tb WD Black 7200rpm, 4TB NAS, GPU: Gigabyte Aorus 3090 Master

 

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