Adaptive voltage higher than manual

benjii · 2 Jan 2017 at 00:56

I've finished fine tuning the OC on my 6700k (mobo is Maximus VIII Hero Alpha) and it's rock solid; overnight tests of RealBench and x264 stability as well as a few days of usual use. It's at 4.7Ghz @ 1.344v under load, LLC 6 (1.32v in bios). All of this testing was obviously done using manual voltage. I switched to Adaptive, set 1.32 turbo and the offset at 0.001. The problem is, my vcore now hits 1.376 and that was just a spike on desktop. I've tried leaving the offset on auto as well as setting it as minus 0.001, that had the same results.

I'm not sure what I can try or what is causing this. As an aside, I can't drop LLC to 5 or else I get vdroop. I'd welcome any help or suggestions.

gbgt2 · 2 Jan 2017 at 01:07

I think it's because that's what happens when you do a synthetic stress test with adaptive voltage.

If you don't care about power efficiency and idle temps (like me) then you could leave it on manual since you have a solid OC already ..

benjii · 2 Jan 2017 at 01:18

gbgt2 said:
I think it's because that's what happens when you do a synthetic stress test with adaptive voltage.

If you don't care about power efficiency and idle temps (like me) then you could leave it on manual since you have a solid OC already ..

That used to be an issue, but that was resolved with Skylake and is no longer a problem. Also, the spikes occurred on desktop not during stress testing. Stress testing volts were actually a little lower, 1.36v.

Sc00p007 · 2 Jan 2017 at 01:26

benjii said:
That used to be an issue, but that was resolved with Skylake and is no longer a problem. Also, the spikes occurred on desktop not during stress testing. Stress testing volts were actually a little lower, 1.36v.

I saw you had posted a similar query to me in another thread. Well, i have the same query as you againv.
I have a solid OC at 4.7 1.344v. However, when i set an adaptive oc, i have spikes as high as you, and on the odd occasion i have seen 1.4xv. If i offset enough so the spikes are max 1.356v, i have instability at lower multi's because they aren't getting enough volts. Just to note, my VID shows spikes as high as 1.5v+ when running without an offset. LLC is not on as with it enabled it is adding as much as 0.05v over what is needed. I know my cpu is rock solid at 1.344v, so in an ideal world, i would like an adaptive overclock that sticks to 1.344v as a max voltage (give or take 0.01) without so much offset that it effects stability at idle.

Just thinking, maybe our two queries are related.