а на что он влияет Intel® Quick Sync Video?
"So far Intel has remained absolutely intransigent on adding Quick Sync to any Xeon except the 4-core version. On the iMac Pro this forced Apple to write to AMD's UVD/VCE transcoding hardware, WHICH IS BETTER THAN NOTHING BUT THUS FAR SLOWER THAN QUICK SYNC ON HANDLING 4K H264."