HWBOT leaked the core count, TDP and base clocks for the Threadripper 2970X and 2050X CPU models. AMD also mentions the existence of 2990WX and 2970WX models and these are rumored to feature watercoolers. There should also be a 12-core / 24-core 2920X CPU, but no specs have been revealed for this one as of yet.
https://www.notebookcheck.net/AMD-Threadripper-2970X-2950X-specs-leaked.320054.0.html