We are about 90% decided to stick with Intel i9 XE CPU. AMD is absolutely better value, but we are concerned about the ongoing Intel MKL on AMD Zen issues. They are fixable, but seems like a high potential sysadmin headache.
We recently experienced strong performance decrements w/ AMD processors for NumPy. Turns out the debug workaround for MKL was removed in V2020.1. Here's a new workaround that does the job: