Looking forward to mocking the people saying the PS5 and XSX would run PS4 games at 4K/120fps.
Horizon Zero Dawn with PS4 Pro settings runs at 64fps on a 2080 Ti. PS4 Pro is 1920x2160/30fps. 2080 Ti is 3840x2160/60fps. Exactly 4x the amount of pixels per second. You can scream console optimization(and admittedly, this port is kind of botched) all you want but a weaker PS5 won't freakin' double the frame rate of a 2080 Ti.
Death Stranding was a great port and it got nowhere near 120fps at 4K on a 2080 Ti using PS4 Pro settings. It hovers around 75.