head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Execution · Grand Arena
Team hero shooter blending FPS mechanics with ability economy mind games.

Execution · Grand Arena
A tactical hero shooter decided by aim duels and adapting to human opponents.
Overwatch leans Execution (Grand Arena); Valorant leans Execution (Grand Arena).
Valorant leans a little harder on execution, though the gap is small.
Overwatch
Hero aim, movement, and ability timing
Valorant
One-tap aim and crosshair placement 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
Valorant
Humans constantly adapt peeks, fakes, and ability timings.
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
Valorant
Light spray RNG and unknown enemy positions.
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
Valorant
Agent comps, util usage, and economy are studyable theory.
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.