head to head
Street Fighter asks more than Naruto Shippuden: Ultimate Ninja Storm 3, and the gap is execution.

Execution · Competitive PvP
Arena fighting built on baiting substitutions and timing punishes against humans.

Execution · Competitive PvP
Wrestling crude controls to land specials while outguessing a human opponent.
Naruto Shippuden: Ultimate Ninja Storm 3 leans Execution (Competitive PvP); Street Fighter leans Execution (Competitive PvP).
Street Fighter leans clearly harder on execution.
Naruto Shippuden: Ultimate Ninja Storm 3
Substitution timing and combo confirms need decent hands
Street Fighter
Notoriously stiff inputs make landing specials the real fight
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Naruto Shippuden: Ultimate Ninja Storm 3
PvP revolves around baiting substitutions from human opponents
Street Fighter
Human versus rounds still reward bait and punish
Naruto Shippuden: Ultimate Ninja Storm 3 leans a little harder on variance, though the gap is small.
Naruto Shippuden: Ultimate Ninja Storm 3
Support meter and item randomness barely matter
Street Fighter
Nothing hidden between two visible fighters
Naruto Shippuden: Ultimate Ninja Storm 3 leans a little harder on optimization, though the gap is small.
Naruto Shippuden: Ultimate Ninja Storm 3
Team composition and awakening knowledge add a thin layer
Street Fighter
Tiny moveset leaves little system to solve
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.