Official PS5 Page Mentions ‘Faster and Smoother Frame Rates’ for Select PS4 Games – Push Square

Sounds like Boost Mode from the PS4 Pro.
Here is what it will mean:
Games that target 30/60fps, but not locked during heavy scenes, might get a locked framerate.
Games using dynamic resolution scaling might lock at the target resolution (or at least hit the target resolution more often/not have as drastic of a resolution drop)
Games with an unlocked framerate might see improved framerates
I say “might” not to diss PS5, but because one ever knows how things are programmed behind the scenes. …

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