https://wccftech.com/final-fantasy-xiv-ps5-beta-60fps-1080p-1440p-40fps-4k/

The PS5 beta for Final Fantasy XIV launches tomorrow alongside the game’s big 5.5 update, and Square Enix shared some details on what to expect. First off, despite the “beta” label, you’re getting access to the whole game without limitations. Basically, the beta label is just a precaution. As for what to expect in terms of visuals and performance, you can choose between 1080p, 1440p, and native 4K modes – the former two should deliver 60fps performance, while 4K will be an unlocked 40fps or so. That said, FF14 project manager Shoichi Matsuzawa warns 4K could drop down to as low as 30fps…

We will offer three rendering resolutions to choose from in the PS5 version: 4K (2160p), WQHD (1440p), Full HD (1080p), which will then be scaled to match your TV’s output. I wouldn’t want to make sweeping generalizations since there are so many different types of content in FFXIV, but in general, WQHD (1440p) and Full HD (1080p) should run at around 60 FPS during normal gameplay, and even in 4K (2160p) you should see frame rates around 40 FPS -- significantly higher than the PS4 version. Of course, there are some instances where you have a few dozen (to a few hundred!) players gathering in certain areas, which places a heavy load on rendering, but even then I believe you can still achieve around a stable 30 FPS.