head to head
vs
Castlevania: Symphony of the NightvsUndertale
Castlevania: Symphony of the Night leans Optimization (Pure Optimization); Undertale leans Optimization (Pure Optimization).
Castlevania: Symphony of the NightUndertale
Axis by axis
Execution4 vs 4
Even - both lean on execution about the same.
Reads1 vs 1
Even - both lean on reads about the same.
Variance2 vs 1
Castlevania: Symphony of the Night leans harder on variance: Item drops and rare gear
Optimization7 vs 7
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.