head to head
vs
Street Fighter II: The World WarriorvsUltra Street Fighter IV
Street Fighter II: The World Warrior leans Execution (Competitive PvP); Ultra Street Fighter IV leans Execution (Grand Arena).
Street Fighter II: The World WarriorUltra Street Fighter IV
Axis by axis
Execution9 vs 9
Even - both lean on execution about the same.
Reads8 vs 8
Even - both lean on reads about the same.
Variance1 vs 1
Even - both lean on variance about the same.
Optimization5 vs 6
Ultra Street Fighter IV leans harder on optimization: Frame data, matchups and option-selects form deep studied theory
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.