head to head
Championship Manager 2008 asks more than Fire Emblem Heroes, and the gap is reads.

Optimization · Pure Optimization
A football management sim about building squads and optimizing tactics against variance.

Optimization · Systems & Chaos
Solvable micro-tactics puzzles gated by gacha luck over unit ownership.
Championship Manager 2008 leans Optimization (Pure Optimization); Fire Emblem Heroes leans Optimization (Systems & Chaos).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Championship Manager 2008
Menu management requires no physical skill
Fire Emblem Heroes
Drag-and-drop tactics need no dexterity
Championship Manager 2008 leans clearly harder on reads.
Championship Manager 2008
Opponent AI tactics are somewhat predictable patterns
Fire Emblem Heroes
Arena defense teams are AI-run, so prediction is shallow
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Championship Manager 2008
Match results and injuries carry significant randomness
Fire Emblem Heroes
Gacha summoning rolls gate which units you even own
Championship Manager 2008 leans a little harder on optimization, though the gap is small.
Championship Manager 2008
Squad building, tactics and transfers are the deep core
Fire Emblem Heroes
Skill inheritance, team building and tile math 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.