head to head
Tekken 8 asks more than Overwatch, and the gap is reads.

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

Execution · Grand Arena
A 3D fighter where movement and mixup reads decide rounds.
Overwatch leans Execution (Grand Arena); Tekken 8 leans Execution (Grand Arena).
Tekken 8 leans a little harder on execution, though the gap is small.
Overwatch
Hero aim, movement, and ability timing
Tekken 8
Just-frame inputs and 3D movement punish sloppy hands.
Tekken 8 leans clearly harder on reads.
Overwatch
Ult tracking, flanks, and baiting human teams
Tekken 8
Adaptive opponents mix lows, highs, and throws.
Overwatch leans a little harder on variance, though the gap is small.
Overwatch
Minor spread and matchmaking noise
Tekken 8
Negligible RNG in core matches.
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
Tekken 8
Frame data, punishes, and movelist depth.
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.