Originally Posted by panosxidis
Last CPU microcodes is only security Updates you dont need for best perfomance!!!and have Spectre fixes!!!for broadwell-e for me 19 is the best cpu microcode for perfomance
Bios Microcode version will be overrided by Windows own version if this one is newer.
In Windows Insider 18991 for example, the 19 version will be overrided by 31 version included in the file mcupdate_genuineIntel.dll, unless u use some workaround.