This video measures the frame rate for the PSSR1 and PSSR2 Pro Mode settings in The Last of Us Part 1 running on a PlayStation 5 Pro.
For this comparison, the Unlocked Framerate setting is enabled. This increase the frame rate to the maximum of 120 fps. The Motion Blur, Camera Shake and Film Grain settings are all disabled.
To measure the frame rate, the FPS counter of the LG B4 TV is used. To make the comparison as fair as possible, only the real-time cutscenes are captured.
You can find the comparison video below:
For a vast majority of the rime, PSSR2 is able to produce a little bit more FPS when compared to PSSR1. In a few rare occasions, however, PSSR1 can have a slightly higher frame per second.