It's said that AMD will reveal three new parts with the "XT" monniker, which was previously exclusively used for Radeon video cards:
Via: VideoCardzRyzen 9 3900XT: 4.1GHz base clock, 4.8GHz Boost
Ryzen 7 3800XT: 4.2GHz base clock, 4.7GHz Boost
Ryzen 5 3600XT: 4.0GHz base clock, 4.7GHz Boost