I don’t use it now, because I don’t know how to do it correctly in Open Core.
From experience with use, I can assure you that the frequency readings in
Mac OS X and Windows differ 2900 and 3300. I believe that this is due to the fact that the Mac itself limits the frequencies according to the...
On the Mac OS x this is normal (Mac os x itself adjusts the power depending on the power consumption) .
You check in Windows there will be higher. You can still increase it but it is too dangerous and will not work stably.
I'm quite happy with EFI-90-50 . I have not tried OpenCore yet .