Hi All,
 
Apologies in advance for this noobish question, but I have noticed that when gaming (or running synthetic such as CINEBENCH R23 for that matter) that random cores will clock down exactly 300mhz from whatever I have set the cpu multiplier (my thermals are perfectly fine, running low 30c in gaming and 55c @ 5.1ghz all core in CBR23)
 
It does not seem to matter what CPU multiplier ratio I set, for example, I opened EVGA E-Leet and dropped my all core ratio down to 45x, 40x, 35x, even 30x, and still at random, at random will drop very quickly down 300mhz like it is some sort of an offset, then it'll jump back up to whatever ratio is set...this does not happen when idling in windows, only under a gaming load or some sort of synthetic load, definitely not thermal throttling...
 
As for what I am running in terms of BIOS settings, I literally cleared CMOS, ran F5 defaults, set XMP, then CPU multiplier to manual - ratio limit of 48 all core, and set a manual VCore of 1.200 with auto everything else.

Does anyone know why this is?
 
Kind Regards,
 
PC:
EVGA DG87
EVGA CLC 360 (front mounted)
11900k
EVGA Z590 FTW
RTX 3090 FE
16GB G-Skill 3600mhz Gear 2 (auto)
Samsung 980 Pro 1TB
 
 

So it seems the normal clock is not dropping, I have attached a screenshot of what I mean (CBR23 running with eleet and task manager showing clocks) now remember it doesn't matter what CPU multiplier I use she still drops, so strange.
 
When you mention max out power setting in bios, I don't see anywhere that mentions this on z590 ftw?

when u enter it as 0 , the cpu wont downclock when avx workload is running. avx isnt disabled . u can disable avx/avx 512 on 11th gen cpu, there is an option in the bios. Most games do not use avx , yes it downclocks its because the the cpu/mb is stupid (all mb does that). if u want to check whether your game has avx. run the game at a frequency u are stable , then disable avx and run the game at that same frequency , see if disabling avx hurts your performance or not. if it doesnt , disable avx/avx 512 and increase your frequency as avx increases temp and power consumption which hurts your max frequency u can run on your system. 

Alright sweet, confirming that setting AVX2 Offset in BIOS to "0" just basically means my 11900k is outputting maximum heat/power/performance from my all core at "X" multiplier ratio....
 
It still is interesting to see that games like The Division 2 and F1 2021 have AVX workloads, as they were the ones when I checked that were down clocking 300mhz due to the "3" offset for me...
 
Anyway, as much as I would like to try and disable AVX2/AVX512 as you said, I just had a look, and I couldn't find the option to disable AVX2/AVX512 on this FTW board, is it on here or maybe it is just a Z590 Dark bios feature?
 
Kind Regards,

have u checked the advanced menu on the bios. anything in there?