I see, thanks. I was thinking msi like others overvolt too much for no reason, this was with default turbo mode..so it doesn't then?
Or does that PL1 state override it too and raises further, because the mobo asked me what cooler and I selected water which makes it 4096w.
I just wanted it to behave like old 4770K, put in max turbo and max adaptive allowed voltage and be done, at balanced it would downclock and down volt. That one did 4.7ghz 1.284v and cache 4.2ghz 1.16v. Was quite good chip
I now set all core to 50x, thinking it's just that. Or do I need that Turbo mode where it shows all cores and all at 50. Will it then act like the old days?
Also 1.30v in bios seems to be the limit for the quick tests like Cinebench15, 3dmark firestrike, timespy extreme cpu test, but in all these scenarios it used up to 200w, a bit high for 1.30v, cant imagine if I left it at default 1.47v.
View attachment 2539986
and it still raised a little, I think becuase of AVX in this cpu profile test and by Timespy extreme AVX instructions?
speaking of adaptive voltage and default 1.47v. I set for example 1.35v in bios and it still read as 1.47v after boot in bios next to my manually input 1.35v, why does it ignore this?
When I manually undervolted this 1.47v it was ok up to -0.160 (so this 1.30v limit), but in idle I saw it as low as 0.56v I think?. And still saw some 1.5v spikes I think, or is this HWmonitor a bit wrong? it reported some of the cores with 0C "bug", but only for a brief second and only after I enabled extra c-states thinking that might help. Does speed shift help too and lower further or it has no effect if I set all core 50x? I know you said it's bad on 11700kf, but this batch I got x140k555 (e4) seems to be "better", I remember first reviewers couldnt even boot at 5ghz and or needed 1.45v+.
I also tested gear1 at those 5Ghz and anything but 3600mhz works, as soon as I change this to 3733mhz it fails; both SA and IO2 at 1.30v, for example first time I booted mobo auto set 1.40v for 3600mhz.. On cometlake (my old 10500) it set to 1.30 and IO 1.25v. I seem to be ok at 1.25v for both at default 3600mhz now, but I've set 1.30v atm to stabilize this beast.
The best latency I got at trfc 300 is ~ 46ns, down from 52ns default, do I need to tweak extra tfaw, twcl, trrd_L S,.. This gskill ram did cl17-19-19-40 4500mhz @ 1.47v, would that tweaked trfc 300 Gear2 benefit more or be somewhat the same + extra ram bandwidth? I play mostly Destiny2, and when I tweaked this trfc and whent from 3960 to 4237 (102.50mhz blck oc on 10500) I got a more responsive game with better min fps and more consistent fps. But it also lowered latency down to ~38.5ns there from 41ns.
I hope I didnt ask too much, would really appreciate your thoughts on my questions and ideas.
Adaptive voltage may not work properly on a Z490 motherboard. But to answer your question, you can run low voltage to these chips. They just love high voltage. I have two 11900K’s, (With auto voltage) and 4.8Ghz all cores, one Cala for 1.275V and the other uses around 1.195-1.199V underload through R15/R23 type testing. I can run my newest 11900K at 5.3Ghz with 1.330V (It’s an incredibly good chip though) my other 11900K would need 1.465V and heavy load line just for 5.2Ghz. Just find the best balance In performance VS power for your 11700KF.
(Gear 1) memory at a slower speed with the lower latency, will always smash (Gear 2) in games. So, I’d be after gear (1) 3600 all day.
Also, try 1.500V on the VCCSA
and use up to 1.450V for VCCIO2 or VCCIO AUX (Whatever your bios calls it) these voltages would be required, especially for any memory speeds beyond 3600 (Gear 1) from what I understand the 11700K/KF does not have as good an IMC as 11900K models, but who knows, you could have a good IMC.
Chip variation is fairly large with 10th Gen, and 11th Gen CPU’s. Or just like any CPU really.
That 11700KF is not bad at all though. I would be after maximum overclock for (8) cores, and maximum clock speed for (4) cores, and maximum gear 1 memory speed. This will provide the absolute mind boggling gaming performance. Like, it really won’t get much better if any better from any platform in 2021/2022
I would personally just set a fixed static voltage, and not worry at all if it goes down during idle. Just stability test, and keep reducing the voltage until you can get it as low as possible for 5Ghz all cores, or 5.1Ghz all cores. You also want to run 3600-3733 (Gear 1) with really tight timings, and secondary timings. This will provide extremely fast performance.
Gear 2 may looks nice in a memory bandwidth benchmark. But, it doesn’t hold up for gaming.
See, properly tuned 11th Gen can absolutely smash in games. There is newer microcode, and bios update since launch. And well tuned 11th Gen is a absolute animal in gaming.
Also, I would highly recommend “Dual rank” memory sticks preferably 2x16GB= double sided ram.. It is much faster than 2x8GB.
2x16GB in Gear 1 at 3600 is plenty sufficient.
Also, make sure to overclock your ring/cache too. Rocketlake is pretty picky at 42-43 range depending on the CPU, I run 46 ring/cache daily, but that’s my chip, yours may be different. And, it cache/ring directly feeds off the CPU V-Core too. So, more cache/ring OC need more cpu Vcore voltage to keep it stable.
If your trying to post for maximum memory OC. I would set your VCCSA to 1.500V then set VCCIO2 to 1.400V. then I would apply 3600 Gear 1, then slowly bump the BCLK until it won’t post to the bios anymore. Then you’ll find the max gear 1 memory speed. Then back off a tad, or adjust timings for optimal latency and bandwidth. Test stability etc. etc.
If you have Samsung B-Die, I would go for 1.500-1.600V on the memory. Depending on how good your ram is.
I don’t go too crazy with stability testing, Rocketlake is very picky. if it’ll run through a lot of simple benchmarks and games, like R23, profile test, firestrike physics test, chances are it’s almost or already is stable. Now, memory is another thing. HCi memtest for about 4-6 hours should be good, and I call it stable.
No need to cook/hammer your CPU with prime 95 small fft’s. That is really degrading on a processor. If it’s stable, it’s stable lol. Meaning, it never crashes while using it for what you are doing daily.
