Engineering samples (ES) of AMD Ryzen 7000 Raphael are already being tested in the wild if a recent entry discovered in the MilkyWay@home project is anything to go by. The listing does not reveal the clocks but does confirm an 8C/16T and a 16C/32T part both with 1 MB of L2 cache per core, which is double of what Zen 3 currently offers.
https://www.notebookcheck.net/AMD-Zen-4-Ryzen-7000-Raphael-ES-APUs-with-8-and-16-cores-spotted-in-MilkyWay-home-project-shown-to-feature-double-the-L2-cache-per-core-compared-to-Zen-3.591401.0.html