i5 8600 (non-K) running on a strange voltage and a bit hot

Shutnik

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Jun 15, 2017
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System based on a "ROG strix B360-H gaming" motherboard
Powered by a 650w 80+ bronze PSU
8 gb ddr4 2666mhz slot 2'n'4
Cooler is AIO deepcool maelstrom 120

I removed pre-applyed thermal pad with alcohol, and put a Z5 instead, not a top notch but it prooved to be good enough to me, use this one for many years.

So the CPU is running 4.1Ghz in most scenarios, i'm totally fine with it.
GPU is a bottleneck anyway, good old 680.

CPU idling with voltage of 0.8-0.95 usually.

But what bothers me that is 8600 running with a various voltage.
AIDA64 showing up 1.2-1.412v while i play dota 2 for example.
Not so power hungry game whatsoever.

1.33-1.412v under City Skylines.

I don't really think stock, non overclocked 8600 should take that much by default?

I tried to set voltage by minus offset 0.1v , it goes 0.69 idling, but still 1.412 under 6 core load.

As of i read people reach 5ghz on a 8600k with 1.35 easily, so, maybe this is a thing to worry?

If so, how to unfuck this situation?

Temps is 35-ish idle, 45 in chrome and such, 55-60 in Dota 2, 60-68 in city skylines, and 65-73 in city skylines on a fastest speed.

Witcher 3 tends to be ~64

Prime squeeze a whole 88 on a hottest core.

AIDA64 benchmark can do about 68.

Oh yeah, virtualization was disabled by default in a bios, should i leave it as is?

Thanks everyone.
 
Solution
The voltage control on that board is probably set to auto. So voltage will increase as the chip is put under load for efficiency. Typically, auto voltage is much higher than is required. With a b360 chipset, I dont know if you can change the voltage. See if you can change the field in the v-core. It probably says "auto". If you can change it, type in 1.28. That will be a good start and should not have issues for a stock 8600. But you may need a z370 board to make those changes.

In the end, as long as your temps are fine, which they are, your CPU is fine. Higher voltage just means higher temps and temps is what you are worried about.
The voltage control on that board is probably set to auto. So voltage will increase as the chip is put under load for efficiency. Typically, auto voltage is much higher than is required. With a b360 chipset, I dont know if you can change the voltage. See if you can change the field in the v-core. It probably says "auto". If you can change it, type in 1.28. That will be a good start and should not have issues for a stock 8600. But you may need a z370 board to make those changes.

In the end, as long as your temps are fine, which they are, your CPU is fine. Higher voltage just means higher temps and temps is what you are worried about.
 
Solution


Yes i have a voltage option. It can be set as auto, manual, and offset.

1.28 is "enough" ok, but should i try to lowball it to say 1.15 or even less?

thanks
 


And yep. Tried 1.15v manual, it drops to 1.136 under heavy load, but still good.

No BSOD's by far. 1.1v was overkill, instantly shutdown as soon as windows logon screen appears.

1.125 able to do basic windows stuff, but bsod's sometime.

1.15v seems like a sweet spot, no problem running Prime95 for 10 minutes now, no faults, and the temps, OH THE TEMPS, 69 on a hottest core for a flash of moment. Average is 66.

It is indeed a sucess.