head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Execution · Competitive PvP
Fast arcade football execution with couch-multiplayer mind games.

Execution · Pure Mechanics
Arcade soccer testing reflex tackles and super-shot timing.
FIFA: Road to World Cup 98 leans Execution (Competitive PvP); Nintendo World Cup 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.
FIFA: Road to World Cup 98
Arcade-paced dribbling and shot timing decide matches
Nintendo World Cup
Tackles and super-shot timing decide most goals
FIFA: Road to World Cup 98 leans a little harder on reads, though the gap is small.
FIFA: Road to World Cup 98
Couch opponents can be baited; AI cannot
Nintendo World Cup
Versus a human, shot fakes add light prediction
FIFA: Road to World Cup 98 leans a little harder on variance, though the gap is small.
FIFA: Road to World Cup 98
Bouncy ball physics inject classic FIFA luck
Nintendo World Cup
Ball physics add minor chaos
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
FIFA: Road to World Cup 98
Simple era tactics and exploit goals are quickly mapped
Nintendo World Cup
Learning super-move triggers is a small 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.