For professionals, a custom build is the "top" choice. Example config:
By following this guide’s hardware selections, driver locks, and Windows tweaks, you can transform Cinema 4D R18 from a legacy app into a snappy, responsive tool that rivals modern performance. cinema+4d+r18+windows+top
To compete with node-based workflows in other software, R18 introduced Shader FX. This allowed artists to build complex materials using a node-based interface, complete with anti-aliasing options and direct viewport feedback. For professionals, a custom build is the "top" choice