head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Optimization · Pure Optimization
A tactical RPG where careful positioning and managing randomized combat odds decides survival.

Optimization · Pure Optimization
Handheld SMT where smirk RNG stings but fusion planning and weakness knowledge carry you.
Fire Emblem leans Optimization (Pure Optimization); Shin Megami Tensei IV 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
no real-time physical skill, turn-based
Shin Megami Tensei IV
Menu combat with no execution ceiling.
Fire Emblem leans a little harder on reads, though the gap is small.
Fire Emblem
AI is scripted, no true adaptation
Shin Megami Tensei IV
Demon negotiation is random personality scripts.
Shin Megami Tensei IV leans a little harder on variance, though the gap is small.
Fire Emblem
hit chance rolls are heavily randomized
Shin Megami Tensei IV
Smirk procs and negotiation RNG swing fights hard.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Fire Emblem
permadeath tactics and builds near-solvable
Shin Megami Tensei IV
Fusion apps, weakness charts, and builds solve the game.
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.