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
Free-to-play hero shooter where loadout cards customize champions in objective team fights.

Execution · Competitive PvP
Precise stick control plus constant adaptation to a human opponent's tactics.
Paladins leans Execution (Competitive PvP); Pro Evolution Soccer 2019 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.
Paladins
Hitscan aim and ability timing in firefights
Pro Evolution Soccer 2019
Dribble touch, pass weight and finishing demand precise sticks
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Paladins
Human teams flank, bait ults, and adapt
Pro Evolution Soccer 2019
Human opponents adapt formations and punish predictable patterns
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Paladins
Card draft order adds mild run variance
Pro Evolution Soccer 2019
Deflections and keeper randomness add bounded chaos
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Paladins
Loadout card builds and item counter-buying
Pro Evolution Soccer 2019
Tactics, instructions and set-piece routines reward study
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.