head to head
Call of Duty: Black Ops asks more than Dragon Ball Z: Budokai 3, and the gap is execution.

Execution · Competitive PvP
Cold War-era shooter pairing twitch multiplayer with the cult Zombies mode.

Execution · Competitive PvP
An anime fighter testing combo execution and counter-baiting against human opponents.
Call of Duty: Black Ops leans Execution (Competitive PvP); Dragon Ball Z: Budokai 3 leans Execution (Competitive PvP).
Call of Duty: Black Ops leans clearly harder on execution.
Call of Duty: Black Ops
Gunfights hinge on aim and reaction speed
Dragon Ball Z: Budokai 3
Combo execution, teleport counters and beam timing demand hands
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Call of Duty: Black Ops
Reading human opponents' positioning and timing
Dragon Ball Z: Budokai 3
Versus humans, baiting teleports and guessing cancels decides exchanges
Call of Duty: Black Ops leans clearly harder on variance.
Call of Duty: Black Ops
Spawns, care packages, zombies RNG
Dragon Ball Z: Budokai 3
Almost nothing random beyond minor clash inputs
Call of Duty: Black Ops leans a little harder on optimization, though the gap is small.
Call of Duty: Black Ops
Class builds, map control, zombies routing
Dragon Ball Z: Budokai 3
Capsule builds and matchup knowledge underpin competitive play
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.