topic Re: i7-6700k high VID, high temp in Mobile and Desktop Processors

i7-6700k high VID, high temp

mdier — Tue, 14 Jun 2016 08:02:50 GMT

Hello everbody,

im currently using the following system:

i7-6700k + Noctua NH-U14s with 2 fans
Corsair Carbide 300r with cable management and Noctua fans
Asus Z170 Pro Gaming
16gb Corsair DDR4-2400mhz
MSI GTX 960
500W be Qu!et PSU
Windows 10 pro

I only changed the following settings in my BIOS:

Q-Fan setup to adjust my fan speed / profile
XMP profile 2400mhz

Now from what i've read, using 2400mhz memory anready overclocks the CPU, even though i did not change anything else and the CPU runs at 4ghz.

When i'm using the "auto" setting for the CPU clock and vcore and my CPU runs at 4ghz default, I somethimes get up to 70°C and a little more. I know this temperature is not incredibly high but since my room gets hot in the summer a lower temp is always desired. Also i've read that the CPU can be held below 60°C in the 53° range. In addition HWMonitor shows me, that the VID goes up to more than 1.4X volt, which seems very high.

Now my question:

I'd like to set the vcore from auto to manual to achieve lower temperatures (Also I adjusted the LLC level to 4 (1-7).). I've already set it to 1.26V and while running the Intel Extreme Tuning Utility I then get a CPU temp in the 55-60°C range with a max VID of ~1.36V, which is very good. What i'd like to know are 2 things:

If the system runs stable, using a low vcore doesnt harm anything, right?
I'm perfectly fine with keeping the cvore at 1.26. Still i'd like to know: how do I find out the "perfect" vcore? Do I just go lower in 0.01 steps and run the stress test again?

Thanks in advance

Kind regards

Re: i7-6700k high VID, high temp

idata — Thu, 16 Jun 2016 19:44:36 GMT

Hello, markdierk:

If the system runs stable, using a low vcore doesnt harm anything, right?

The VCC specification for the 6th generation Intel® processor is 0.55V minimum and 1.52V maximum; as long as you stay under these parameters it should not harm your system. See here for http://www.intel.com/content/dam/www/public/us/en/documents/datasheets/desktop-6th-gen-core-family-datasheet-vol-1.pdf http://www.intel.com/content/dam/www/public/us/en/documents/datasheets/desktop-6th-gen-core-family-datasheet-vol-1.pdf see table 7-2.

I'm perfectly fine with keeping the cvore at 1.26. Still i'd like to know: how do I find out the "perfect" vcore? Do I just go lower in 0.01 steps and run the stress test again?

There is no perfect cvore temperature since this is something that will depend on the demand of your system tasks.

Regards,

Amy.

Re: i7-6700k high VID, high temp

mdier — Thu, 16 Jun 2016 19:56:53 GMT

Hello Amy,

thank you for your response and help.

Kind regards,

Markdierk

Re: i7-6700k high VID, high temp

idata — Mon, 20 Jun 2016 13:30:22 GMT

Sure, you're welcome.

If you need further assistance let us know.

Regards,

Amy.