This video measures the frame rate for the PSSR1 and PSSR2 Pro Mode settings in The Last of Us Part II Remastered running on a PlayStation 5 Pro.
For this comparison, the Unlocked Framerate setting is enabled. The Motion Blur, Camera Shake and Film Grain 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:
Part II runs a few frames faster with PSSR2 in most cases. There are a few rare exceptions, such as the snow escape scene, where PSSR1 does perform better, however.