Final Cut Pro X 10.4.7 with a new Metal Engine exhibits some serious performance gains — under both macOS Mojave and macOS Catalina.
[Setups tested]:
• Pro Vega 64 = 2017 iMac Pro 8-core with Radeon Pro Vega 64 internal GPU
• Radeon VII = 2017 iMac Pro 8-core with Radeon VII in external eGPU Box
MacDailyNews Take: Okay, those are some insane performance gains for FCPX 10.4.7 vs. 10.4.6!