1.47v safe for a skylake6700k?

RedHaze1911 · Dec 21, 2015

So i have OCd my 6700k to 4,7ghz and it seems to be running fine with all games but im currently running a cpu stress test with msi intel extreme tuning utility and cpuz is showing me that the voltage goes from 1,464v to 1,488v while under load and im wondering how safe it is.
I read somewhere that intel recommends 1.45v for skylake so is 1,47v ok-ish?
I just built the pc so i want to use it for about 3 years or so... do u think it will make that?
Im using an air cooler,Coolermaster V8 and it stays around 86c or so when under load.

z170a mobo,1000w corsair RM psu,980ti gpu,16gb ddr4 ram.

chris987 · Dec 21, 2015

http://www.tomshardware.co.uk/forum/id-1800828/intel-temperature-guide.html

Here’s a list of the maximum recommended Vcore settings:

-> Core i

6th Generation 14 nanometer ... 1.35 Vcore
5th Generation 14 nanometer ... 1.35 Vcore
4th Generation 22 nanometer ... 1.30 Vcore
3rd Generation 22 nanometer ... 1.30 Vcore
2nd Generation 32 nanometer ... 1.35 Vcore
Previous Generation 32 nanometer ... 1.35 Vcore
Previous Generation 45 nanometer ... 1.40 Vcore

6th Generation 14 nanometer: i7 6700K / i5 6600K (TDP 91W / Idle 2W)

Tcase (CPU temp) = 63C
Tjunction (Core temp) = 68C
Tj Max (Throttle temp) = 100C

switch to a manual voltage setting. leaving it to auto will result in a lot higher values (on temps also) .in your case dangerously high. you may also need to lower your expectation. regarding core clock

you might also be able to try some base clock overclocking as skylake seem to be very tolerant unlike previous gens have a look here. proceed with caution though

http://www.anandtech.com/show/9848/bclk-overclocking-intels-non-k-skylake-processors-coming-soon

DJDeCiBeL · Dec 21, 2015

From all of the info I've seen so far, from any reliable source, 1.45V does seem to be the max "safe" limit on Skylake (assuming proper cooling). It appears that Skylake is almost exactly like Sandy, as far as voltage and temp ranges are concerned (for whatever reason).

That said, 1.47V, while not exactly "insane" for Skylake, is definitely pushing the limits of a safe 24/7 overclock.

chris987 · Dec 21, 2015

http://www.tomshardware.com/reviews/skylake-intel-core-i7-6700k-core-i5-6600k,4252-3.html

One of our samples even cruised along at 4.9GHz using a 1.41V setting, but it wasn’t stable under load, and we’re not comfortable with that voltage.

The Core i5-6600K’s temperature across all cores averages approximately 48 degrees Celsius after 30 minutes, and the i7-6700K ends up at approximately 64 degrees Celsius. Even during peaks, it never surpasses the limit of 73 degrees Celsius.

http://www.hardocp.com/article/2015/08/05/intel_skylake_core_i76700k_ipc_overclocking_review/7#.VnfjbU8pr5c

At 4.8GHz/3600MHz at 1.45v we were seeing per core temperatures bump into the upper 90C range

Starting with a 1.42v Core Voltage and a 4.7/3600 overclock, everything was smooth as butter, but I was still seeing high Skylake CPU core temperatures. So, I backed the Core Voltage down to 1.30v and started working my way up from there. I found that my Skylake processor, on this ASUS Z170-Deluxe motherboard, is rock solid at 1.344 actual vCore. (Setting was 1.32v in the BIOS.)

what i make out is skylake cannot sustain reasonable temps at voltages above 1.4v

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1.47v safe for a skylake6700k?

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