head to head
vs
Dragon Ball Z: Budokai Tenkaichi 2vsWCW Nitro
Dragon Ball Z: Budokai Tenkaichi 2 leans Execution (Competitive PvP); WCW Nitro leans Execution (Practiced Mastery).
Dragon Ball Z: Budokai Tenkaichi 2WCW Nitro
Axis by axis
Execution6 vs 5
Dragon Ball Z: Budokai Tenkaichi 2 leans harder on execution: Beam clashes, vanish timing and arena movement reward fast hands
Reads5 vs 3
Dragon Ball Z: Budokai Tenkaichi 2 leans harder on reads: Versus friends, baiting transformations and dodges matters
Variance1 vs 1
Even - both lean on variance about the same.
Optimization4 vs 4
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.