head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Execution · Grand Arena
Team hero shooter blending FPS mechanics with ability economy mind games.
Execution · Grand Arena
A hero shooter where teams brawl over objectives using locked ability kits.
Overwatch leans Execution (Grand Arena); Overwatch 2 leans Execution (Grand Arena).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Overwatch
Hero aim, movement, and ability timing
Overwatch 2
Aim and ability timing decide most duels.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Overwatch
Ult tracking, flanks, and baiting human teams
Overwatch 2
Adaptive enemy comp counters and ult baiting.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Overwatch
Minor spread and matchmaking noise
Overwatch 2
Minimal randomness, mostly map and matchmaking.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Overwatch
Team comps, ult economy, and positioning theory
Overwatch 2
Comp building, ult economy, and cooldown tracking.
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.