head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is optimization, and it is a single point.

Execution · Competitive PvP
Wrestling-style timing duels with grapple prediction against human opponents.

Execution · Competitive PvP
A rough anime fighter testing input timing and second-guessing a human opponent.
Def Jam Vendetta leans Execution (Competitive PvP); Dragon Ball GT: Final Bout 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.
Def Jam Vendetta
Grapple timing and reversal windows demand sharp inputs
Dragon Ball GT: Final Bout
Combo inputs and meteor-counter timing decide exchanges
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Def Jam Vendetta
Human matches turn on predicting grapples versus strikes
Dragon Ball GT: Final Bout
Human opponents bait and adapt in versus play
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Def Jam Vendetta
Nothing hidden once movesets are learned
Dragon Ball GT: Final Bout
Nothing hidden once movesets are known
Def Jam Vendetta leans a little harder on optimization, though the gap is small.
Def Jam Vendetta
Character move pools and reversal systems are mappable
Dragon Ball GT: Final Bout
Small roster and shallow systems cap the study layer
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.