High core count almost useless?

rajovo

Member
AMD OS X Member
Joined
May 4, 2020
Messages
76
I'm finding out that a high core CPU like the 12-core 3900x isn't worth it outside a very few special cases like 3D rendering. I bought it because I thought it would enable me to do work while, for example, FCPX or AE rendering. But that's not the case at all. The CPU is far from saturated, so is GPU, RAM (64 GB) and IO (3GBps NVMe), yet the system grinds almost to a halt when I'm for example rendering out from FCPX. Is that something to be troubleshooted or is this expected?

It's almost as bad as on my old four-thread 2015 iMac. Anyone has any insight? Thanks!

Big Sur 11.1 beta 1, OC 0.6.3, 3900x on X570-p, RX 580, 64 GB 3200 MHz RAM
 
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