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
Small-town murder-mystery JRPG balancing friendships by day and TV-world dungeons by night.

Optimization · Pure Optimization
Pulp-adventure turn-based tactics about a squad of misfits fighting occult cults.
Persona 4 leans Optimization (Pure Optimization); The Lamplighters League 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.
Persona 4
Menu combat; zero dexterity
The Lamplighters League
Real-time infiltration is gentle; combat is turn-based
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Persona 4
Shadow bosses use scripted patterns
The Lamplighters League
Enemy AI follows fixed behaviors
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Persona 4
Randomized dungeon floors and fusion rolls
The Lamplighters League
Hit rolls and mission layouts add uncertainty
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Persona 4
Social link scheduling and weakness-exploit planning
The Lamplighters League
Squad composition, positioning, and ability sequencing decide fights
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.