head to head
Dragon Ball Z: Budokai Tenkaichi 3 asks more than Sportsfriends, and the gap is optimization.

Execution · Competitive PvP
Fast arena-fighter execution plus guessing games against a human opponent.

Execution · Competitive PvP
Couch-competitive dexterity duels where reading the friend beside you wins games.
Dragon Ball Z: Budokai Tenkaichi 3 leans Execution (Competitive PvP); Sportsfriends leans Execution (Competitive PvP).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Dragon Ball Z: Budokai Tenkaichi 3
Combo timing, dashes and beam clashes demand fast hands
Sportsfriends
Pole vaults, joust balance and ball control demand real dexterity
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 Tenkaichi 3
Versus humans, baiting counters and vanish wars is prediction
Sportsfriends
Couch opponents bait and adapt face-to-face every round
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Dragon Ball Z: Budokai Tenkaichi 3
Almost nothing hidden once both rosters are known
Sportsfriends
Arenas are fixed, nothing hidden
Dragon Ball Z: Budokai Tenkaichi 3 leans clearly harder on optimization.
Dragon Ball Z: Budokai Tenkaichi 3
Character tiers and combo routes form a learnable layer
Sportsfriends
Minimal systems - the games are deliberately simple rulesets
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.