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 · Competitive PvP
MMA fighting sim where feints and stamina discipline decide layered striking and grappling exchanges.

Execution · Grand Arena
Team hero shooter blending FPS mechanics with ability economy mind games.
EA Sports UFC 4 leans Execution (Competitive PvP); Overwatch leans Execution (Grand Arena).
Overwatch leans a little harder on execution, though the gap is small.
EA Sports UFC 4
Strike timing, head movement, and grapple inputs
Overwatch
Hero aim, movement, and ability timing
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
EA Sports UFC 4
Feinting and baiting adaptive human opponents
Overwatch
Ult tracking, flanks, and baiting human teams
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
EA Sports UFC 4
Little hidden information in the octagon
Overwatch
Minor spread and matchmaking noise
Overwatch leans a little harder on optimization, though the gap is small.
EA Sports UFC 4
Stamina management and matchup game-planning
Overwatch
Team comps, ult economy, and positioning 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.