Lenovo has improved the CPU performance of the current ThinkPad X1 Extreme, but the Intel CPU is still inferior to AMD's current processors. The X1 Extreme Gen3 is a very good multimedia laptop and we especially like the excellent keyboard, but there is still room for improvements for upcoming iterations.
https://www.notebookcheck.net/Lenovo-improves-the-performance-of-the-ThinkPad-X1-Extreme-Gen3-but-we-would-like-to-see-a-bigger-update-with-AMD-Ryzen.513035.0.html