head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Optimization · Pure Optimization
A tactical RPG solved through long-horizon build and class planning.

Optimization · Pure Optimization
A calendar JRPG about routing social links and engineering persona fusion chains.
Fire Emblem: Three Houses leans Optimization (Pure Optimization); Persona 5 Royal leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Fire Emblem: Three Houses
Menu-driven, no mechanical bar
Persona 5 Royal
Menu-driven combat; no mechanical skill demanded.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Fire Emblem: Three Houses
AI follows fixed aggression rules
Persona 5 Royal
Enemies use scripted weakness AI; not adaptive.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Fire Emblem: Three Houses
Hit rates and crit RNG affect runs
Persona 5 Royal
Shuffle time, fusion accidents, and crit rolls.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Fire Emblem: Three Houses
Class routing and build planning dominates
Persona 5 Royal
Calendar routing, fusion, and confidant order are deeply solvable.
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.