head to head
WWF Royal Rumble asks more than Super Mario World, and the gap is reads.

Execution · Pure Mechanics
Precise jump execution across fixed levels with secrets to memorise.

Execution · Pure Mechanics
Grapple-timing execution and mashing stamina in arcade wrestling matches.
Super Mario World leans Execution (Pure Mechanics); WWF Royal Rumble leans Execution (Pure Mechanics).
Super Mario World leans a little harder on execution, though the gap is small.
Super Mario World
Perfect inputs trivialise every jump, spin and cape flight
WWF Royal Rumble
Grapple timing and button mashing decide every lock-up
WWF Royal Rumble leans clearly harder on reads.
Super Mario World
Scripted Koopas adapt to nothing
WWF Royal Rumble
Human opponents add some habit prediction in versus
WWF Royal Rumble leans a little harder on variance, though the gap is small.
Super Mario World
Levels are fixed; nothing hidden survives one playthrough
WWF Royal Rumble
Little is hidden beyond grapple outcome wobble
Super Mario World leans a little harder on optimization, though the gap is small.
Super Mario World
Secret exits and route knowledge add a modest solvable layer
WWF Royal Rumble
Move utility knowledge is a shallow 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.