A derivative octa-core Zen+ processor and Navi GPU for the next generation Playstation look increasingly likely. The leaked product code implies that AMD and Sony may have already finalized the core specifications for the PS5 - if not very close.
https://www.notebookcheck.net/Latest-rumors-point-toward-AMD-Zen-and-Navi-yet-again-for-the-Sony-Playstation-5.396416.0.html