Although the AMD Ryzen 4000 series offers better performance compared to current Intel CPUs, the former processors aren't available in business convertibles that can be used both as tablet and laptop. The only exception is the HP ProBook x360 435 G7, which promptly received a good score in our test.
https://www.notebookcheck.net/HP-ProBook-x360-435-G7-AMD-Ryzen-4000-as-unique-selling-point.494605.0.html