In order for you to play Crusader Kings III on macOS with minimal graphics settings, your computer must meet the following requirements
Operating System:
macOS Monterey v12.6 or newer
Processor (CPU):
Intel Core i5-6500 or newer | Apple M1 or newer
Memory (RAM):
8 GB RAM
Graphics Card:
AMD Radeon R9 M380 2GB or better (for Intel systems) | Intel Iris Plus G7 | AMD Radeon Vega 11 | Apple M1 integrated GPU
Storage:
20 GB available space
In order to play Crusader Kings III on macOS with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
macOS Monterey v12.6 or newer
Processor (CPU):
Intel® Core™ i5-7600K
Memory (RAM):
16 GB RAM
Graphics Card:
AMD® Radeon™ PRO 580 (8GB)
Storage:
8 GB available space