A newly published patent has hinted at the possibility of a PS5 Pro console, or similar, eventually being revealed by Sony. A "high end" system mentioned in the patent summary could feature multiple SoCs. Coincidentally, it appears the Xbox Series X has been demoted from being "the most powerful console ever".
https://www.notebookcheck.net/PS5-Pro-console-or-upgrades-implied-in-patent-while-the-Xbox-Series-X-seems-to-get-a-marketing-downgrade.483848.0.html