If you are wondering what affects the performance of AutoCAD, more cores, or higher clock speed then this video will answer your questions.

Here are some great processors for AutoCAD:
Intel® Core™ i5-13600K Processor
Intel® Core™ i7-13700K Processor
Intel® Core™ i9-13900K Processor
AMD Ryzen™ 9 7950X
AMD Ryzen™ 9 7900X
AMD Ryzen™ 7 7700X
AMD Ryzen™ 5 7600X