head to head
Dragon Ball Z: Budokai 3 asks more than Tecmo Bowl, and the gap is execution.

Execution · Competitive PvP
An anime fighter testing combo execution and counter-baiting against human opponents.

Reads · Competitive PvP
A four-play guessing duel where picking the opponent's call wins drives.
Dragon Ball Z: Budokai 3 leans Execution (Competitive PvP); Tecmo Bowl leans Reads (Competitive PvP).
Dragon Ball Z: Budokai 3 leans clearly harder on execution.
Dragon Ball Z: Budokai 3
Combo execution, teleport counters and beam timing demand hands
Tecmo Bowl
Stick skill on runs and dives matters but stays simple
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Dragon Ball Z: Budokai 3
Versus humans, baiting teleports and guessing cancels decides exchanges
Tecmo Bowl
Guessing the opponent's one play call is the famous mind-game
Tecmo Bowl leans a little harder on variance, though the gap is small.
Dragon Ball Z: Budokai 3
Almost nothing random beyond minor clash inputs
Tecmo Bowl
Outcomes wobble on tackle rolls but little stays hidden
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Dragon Ball Z: Budokai 3
Capsule builds and matchup knowledge underpin competitive play
Tecmo Bowl
Roster strengths and play-call odds are quickly solved
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.