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 stealth puzzle game where meticulously planning the perfect assassination route is the whole point.

Optimization · Pure Optimization
A tactical RPG spin-off putting the Phantom Thieves into cover-based combat.
Hitman leans Optimization (Pure Optimization); Persona 5 Tactica 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.
Hitman
minimal twitch skill, stealth-focused
Persona 5 Tactica
minimal direct control, cover-based tactics
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Hitman
guard patrols scripted, no adaptation
Persona 5 Tactica
scripted enemy AI, not adaptive
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Hitman
some random guard behavior variance
Persona 5 Tactica
some crit and drop randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Hitman
planning routes and disguises is fully solvable
Persona 5 Tactica
cover positioning and skill-build mastery
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.