head to head
vs
Super Smash Bros. UltimatevsThe King of Fighters '98
Super Smash Bros. Ultimate leans Reads (Competitive PvP); The King of Fighters '98 leans Execution (Competitive PvP).
Super Smash Bros. UltimateThe King of Fighters '98
Axis by axis
Execution8 vs 8
Even - both lean on execution about the same.
Reads9 vs 8
Super Smash Bros. Ultimate leans harder on reads: Adaptive opponents drive ledge and platform mind games.
Variance2 vs 1
Super Smash Bros. Ultimate leans harder on variance: Stage hazards and items if enabled.
Optimization5 vs 5
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.