Well Zoom's system requirement page is about as clear a mud.
Ryzen 7 cpu should meet the requirements on a windows 10 64bit PC
Do you have the latest version of the Zoom client.
- Zoom Desktop Client for PC, version 4.5.4 (5422.0930) or higher
listed for backgrounds without green screen
- Zoom Desktop Client for PC, version 4.6.4 (17383.0119) or higher
listed for video without green screen.