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 dual-protagonist JRPG where mastering cross-character fusion and combo optimization resolves all scripted encounters.

Optimization · Pure Optimization
A puzzle-RPG hybrid where Djinn combination theory and Psynergy routing trivializes its scripted encounters.
Breath of Fire IV leans Optimization (Pure Optimization); Golden Sun 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.
Breath of Fire IV
Menu combat; combo system has minor sequencing
Golden Sun
Fully turn-based Djinn-based combat; no timing demands
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Breath of Fire IV
No adaptive foes; all patterns are fixed
Golden Sun
All bosses are scripted pattern fighters
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Breath of Fire IV
Random encounter variance and some enemy action randomness present
Golden Sun
Djinn status randomness and summon charge timing add minor variance
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Breath of Fire IV
Cross-Ryu fusion, combo chains, and AP economy are the solvable layer
Golden Sun
Djinn set theory, Psynergy routing, and summon sequencing 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.