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

Execution · Competitive PvP
Tests stylish movement-shooter mechanics against human teams in objective modes.
Paladins leans Execution (Competitive PvP); S4 League 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
S4 League
Wall-running movement and aim duels decide exchanges
Paladins leans a little harder on reads, though the gap is small.
Paladins
Human teams flank, bait ults, and adapt
S4 League
Human opponents in Touchdown demand constant prediction
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
S4 League
Some weapon spread and mode chaos
Paladins leans a little harder on optimization, though the gap is small.
Paladins
Loadout card builds and item counter-buying
S4 League
Loadout choices and map knowledge matter underneath
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.