Unplayable lag

Ok no harm to try:

Turn off E Cores and turn off Hyperthreading.

Also in addition. Check out below person he has i5-12600.

Note the sections about XMP and RAM Gear 1. RAM sub-timings part, if you want to try and prepared to reset BIOs if boot fails.

How do I optimize my game even further? - Warhammer 40,000: Darktide / Performance Feedback - Fatshark Forums