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

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

Execution · Competitive PvP
A soccer game testing passing timing and anticipation against opposing players.
FIFA: Road to World Cup 98 leans Execution (Competitive PvP); Ultimate Soccer leans Execution (Competitive PvP).
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
Ultimate Soccer
Passing and shot timing demand moderate control
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
FIFA: Road to World Cup 98
Couch opponents can be baited; AI cannot
Ultimate Soccer
Versus humans, anticipating passes and runs matters
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
FIFA: Road to World Cup 98
Bouncy ball physics inject classic FIFA luck
Ultimate Soccer
Deflections and keeper saves add chance
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
Ultimate Soccer
Formation and passing-strategy choices carry light planning
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.