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
The peak-era Konami football game prized for weighty, skill-driven match play.

Execution · Pure Mechanics
Free-to-play military shooter mixing class-based PvP with co-op missions.
Pro Evolution Soccer 6 leans Execution (Competitive PvP); Warface leans Execution (Pure Mechanics).
Warface leans a little harder on execution, though the gap is small.
Pro Evolution Soccer 6
First touch, through balls, and dribbles demand precise control
Warface
Aimbot dominates gunfights; recoil control and flick aim decide duels.
Pro Evolution Soccer 6 leans a little harder on reads, though the gap is small.
Pro Evolution Soccer 6
Versus matches are constant feint and positioning prediction
Warface
Human PvP positioning and peek mind-games in versus modes.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Pro Evolution Soccer 6
Deflections and keeper spills add light randomness
Warface
Spawn and enemy position uncertainty, minor.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Pro Evolution Soccer 6
Formations and player roles are studyable
Warface
Loadout grind and class synergy matter but are mappable.
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.