The tldr on anything not 5600x is don't manual OC it. your not going to be able to tame temps. I'll give you an example. My 5800x can do 4.5 fixed at 1.2v prime stable 81c peak. any attempt at 4.6 and 1.225v= over temp shutdown. Observing behavior at stock with PBO enabled prime runs between 4.4 and 4.8 depending on iteration. conclusion the only way you can beat amd @ overclocking is if you had 3 joysticks on board allowing you to control on the fly voltage clock speed and power limits and even then all you would end up with is 3 broken joysticks.
This becomes even more of an issue beyond 5800x. This is with a corsair h110i which beats my nh-d15 and dark rock pro 4, I doubt even custom water would make much difference as i shoved radiator outside window and netted same outcome.
CHVIII hero wifi. theres a tool that is sort of useful to.....to put things in perspective the 5950x gets a max clock load rating of 4000 mhz. which puts the typical 5900x somewhere in the middle and your's is doing 4.2
Also take note that there is a rather significant difference in sil quality between ccd 0 and ccd 1 and ccd 1 dictates what your max stable load clocks are going to be as its much weaker than ccd 0 anywhere from 150 mhz to 300mhz that i have seen so far. You can find out how bad or good your ccd's are by running tool then disabling ccd 1. the first sil rating will go by lowest common denominator aka ccd 1 and then disable in bios to get the sil rating of ccd 0.
So far i've seen sil ratings as low as 112 and as high as 128 with 117-122 being the avg.
example
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