There has been speculation that the PS5 console could receive a specifications bump before its release in holiday 2020. The source of the rumor reveals several "bombshells" that include another mention of RDNA 3, the potential for a change in memory speed, and even a compute unite (CU) recount for the PlayStation 5.
https://www.notebookcheck.net/PlayStation-5-specs-could-be-bumped-up-according-to-bombshell-rumors-with-the-PS5-geometry-engine-allegedly-sharing-features-with-RDNA-3.482862.0.html