head to head
Rayman Arena asks more than Super Mario World, and the gap is reads.

Execution · Pure Mechanics
Party racing and arena shootouts decided mostly by platforming speed.

Execution · Pure Mechanics
Precise jump execution across fixed levels with secrets to memorise.
Rayman Arena leans Execution (Pure Mechanics); Super Mario World leans Execution (Pure Mechanics).
Super Mario World leans a little harder on execution, though the gap is small.
Rayman Arena
Footrace platforming speed and arena aim decide matches
Super Mario World
Perfect inputs trivialise every jump, spin and cape flight
Rayman Arena leans clearly harder on reads.
Rayman Arena
Human rivals add light jockeying, little depth
Super Mario World
Scripted Koopas adapt to nothing
Rayman Arena leans a little harder on variance, though the gap is small.
Rayman Arena
Minor pickup randomness in arenas
Super Mario World
Levels are fixed; nothing hidden survives one playthrough
Super Mario World leans a little harder on optimization, though the gap is small.
Rayman Arena
Track knowledge gives a modest edge
Super Mario World
Secret exits and route knowledge add a modest solvable layer
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.