head to head
Naruto Shippuden: Ultimate Ninja Storm 4vsOne Piece: Burning Blood
Naruto Shippuden: Ultimate Ninja Storm 4 leans Reads (Competitive PvP); One Piece: Burning Blood leans Execution (Competitive PvP).
Naruto Shippuden: Ultimate Ninja Storm 4One Piece: Burning Blood
Axis by axis
Execution5 vs 5
Even - both lean on execution about the same.
Reads6 vs 5
Naruto Shippuden: Ultimate Ninja Storm 4 leans harder on reads: Versus humans, baiting substitutions is the core game
Variance2 vs 1
Naruto Shippuden: Ultimate Ninja Storm 4 leans harder on variance: Minor support-assist chaos
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.

