We have seen some games that will come along PS5 and Series X, even gameplays captured directly from PS5, but not from Series X. The new gen should start in November and still do not know anything official about price and the first round of games.
Video Games Chronicle has published an article in which they analyze the PS5’s release. They concrete in that text when could play with PS5 and Series X:
PS5 could be launched on mid-November and Series in the first week. Microsoft pretends to release their system before Sony.
We will see.