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 · Practiced Mastery
Arena duels mixing twitch dodge-punish play with RPG build preparation.

Execution · Competitive PvP
Free-to-play hero shooter where loadout cards customize champions in objective team fights.
Dissidia Final Fantasy leans Execution (Practiced Mastery); Paladins 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.
Dissidia Final Fantasy
Aerial dashes, dodge timing and punishes demand fast hands
Paladins
Hitscan aim and ability timing in firefights
Paladins leans a little harder on reads, though the gap is small.
Dissidia Final Fantasy
Human duels hinge on baiting bravery attacks and dodges
Paladins
Human teams flank, bait ults, and adapt
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Dissidia Final Fantasy
Some equipment and summon randomness, mostly known state
Paladins
Card draft order adds mild run variance
Dissidia Final Fantasy leans a little harder on optimization, though the gap is small.
Dissidia Final Fantasy
Builds, accessories and matchup knowledge shape every duel
Paladins
Loadout card builds and item counter-buying
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.