head to head
Mortal Kombat XvsStreet Fighter III: 2nd Impact
Mortal Kombat X leans Execution (Grand Arena); Street Fighter III: 2nd Impact leans Reads (Competitive PvP).
Mortal Kombat XStreet Fighter III: 2nd Impact
Axis by axis
Execution8 vs 8
Even - both lean on execution about the same.
Reads8 vs 9
Street Fighter III: 2nd Impact leans harder on reads: Parry baits versus adapting humans define the game
Variance1 vs 1
Even - both lean on variance about the same.
Optimization6 vs 5
Mortal Kombat X leans harder on optimization: Variation selection and optimal punish routes require systematic study
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

