Corona Render on a Mac is viable, but it is a power user’s game. You will pay a 40-50% performance tax for the privilege of using macOS. However, with the rise of Apple Silicon and better virtualization, that tax is shrinking every year.
is recommended for smooth performance, though 16 GB may suffice for smaller interior scenes. Installation Guide What are the system requirements of Corona? - Chaos corona render mac
If you are debating between a high-spec Windows PC and a Mac Studio for Corona, the performance metrics might surprise you. Corona Render on a Mac is viable, but