head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Execution · Pure Mechanics
Modern-military shooting execution with a light multiplayer prediction layer.

Execution · Pure Mechanics
Grapple-timing execution and mashing stamina in arcade wrestling matches.
Medal of Honor leans Execution (Pure Mechanics); WWF Royal Rumble leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Medal of Honor
Aimbot trivialises both scripted campaign and multiplayer firefights
WWF Royal Rumble
Grapple timing and button mashing decide every lock-up
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Medal of Honor
Human multiplayer lobbies add modest prediction
WWF Royal Rumble
Human opponents add some habit prediction in versus
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Medal of Honor
Scripted ambushes are unknown only on first contact
WWF Royal Rumble
Little is hidden beyond grapple outcome wobble
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Medal of Honor
Map and loadout knowledge add a light planning 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.