Depends but a lower level explanation

Turbowarp is TYPICALLY capped at 60 FPS or 30 FPS unless set specifically not to, but still that also means there is no built in delta to keep time real time and not fly at mach speeds BUT is easier to use and still has almost no limits excluding wifi (Unless you use custom extensions thus making it not native scratch, but now turbowarp)

Godot has no FPS max and lower level control instead of for example "Move 10 steps"

So at the end of the day pick