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

Execution · Competitive PvP
Refined annual football sim built around online PvP.

Execution · Competitive PvP
The peak-era Konami football game prized for weighty, skill-driven match play.
EA Sports FC 25 leans Execution (Competitive PvP); Pro Evolution Soccer 6 leans Execution (Competitive PvP).
EA Sports FC 25 leans a little harder on execution, though the gap is small.
EA Sports FC 25
Iterative refinement of precise input football
Pro Evolution Soccer 6
First touch, through balls, and dribbles demand precise control
EA Sports FC 25 leans a little harder on reads, though the gap is small.
EA Sports FC 25
PvP mode rewards anticipating human patterns
Pro Evolution Soccer 6
Versus matches are constant feint and positioning prediction
EA Sports FC 25 leans a little harder on variance, though the gap is small.
EA Sports FC 25
Light deflection and animation RNG
Pro Evolution Soccer 6
Deflections and keeper spills add light randomness
EA Sports FC 25 leans a little harder on optimization, though the gap is small.
EA Sports FC 25
Tactics, Rush mode roles, squad economy
Pro Evolution Soccer 6
Formations and player roles are studyable
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.