head to head
vs
Street Fighter II' TurbovsSuper Street Fighter IV
Street Fighter II' Turbo leans Execution (Competitive PvP); Super Street Fighter IV leans Execution (Grand Arena).
Street Fighter II' TurboSuper Street Fighter IV
Axis by axis
Execution8 vs 8
Even - both lean on execution about the same.
Reads8 vs 8
Even - both lean on reads about the same.
Variance0 vs 1
Super Street Fighter IV leans harder on variance: Deterministic outside minor damage scaling
Optimization5 vs 6
Super Street Fighter IV leans harder on optimization: Frame data and matchup study are an entire discipline
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.