Both versions will offer the same experience.
God of War Ragnarok - All Graphic Modes For PS5 and PS4
God of War Ragnarök
God of War Ragnarok's exploration is already a show-stealer
God of War: Ragnarök scales gracefully across the console generations
God of War: Ragnarok Performance Analysis - IGN
God of War Ragnarok on PS5, PS4 Is PlayStation At Its Pomp
God of War Ragnarok PS5 vs PS4 Pro vs PS4 Performance Review
God of War: Ragnarok Performance Analysis - IGN
Finally got a PS5, and I switched to 60 FPS mid-1st-Thor-fight and was blown away. I was so used to games locked at 30 (even picking Favor Quality often), having adjusted to
Embark on an epic and heartfelt journey as Kratos and Atreus struggle with holding on and letting go. Against a backdrop of Norse Realms torn asunder by the fury of the Aesir, they’ve been trying their utmost to undo the end times. But despite their best efforts, Fimbulwinter presses onward.
God of War Ragnarok - Launch Edition - PlayStation 5
God Of War Ragnarok: How To Transmog Gear - GameSpot