My review of the 2019 Mac Pro now evaluates performance of Phase One Capture One 20, a raw converter used by many professionals.
Capture One 20: Export to JPEG (Phase One IQ4)
Includes a detailed performance analysis of GPU and CPU utilization with the GPU both enabled and disabled.
I need a GoFundMe or something like that to fund the purchase of an AMD Radeon Pro Vega II, so I can weigh in on how it performs in Capture One 20 as well as many other apps.
2019 Mac Pro: export max-quality JPEG, CPU vs GPU speed