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
Stick-skill shot timing layered over reading human opponents and exploiting matchup math.

Execution · Competitive PvP
Free-to-play hero shooter where loadout cards customize champions in objective team fights.
NBA 2K19 leans Execution (Competitive PvP); 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.
NBA 2K19
Shot timing, dribble moves and defense sticks decide possessions
Paladins
Hitscan aim and ability timing in firefights
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
NBA 2K19
Online opponents adapt plays and baiting constantly
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.
NBA 2K19
Shot RNG adds noise around the timing meter
Paladins
Card draft order adds mild run variance
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
NBA 2K19
Playbooks, matchups and build optimisation underpin wins
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.