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

Optimization · Pure Optimization
3D revival of the classic turn-based strategy formula with deep faction skill trees.

Optimization · Pure Optimization
A turn-based strategy game where building the optimal army and economy decides victory.
Heroes of Might and Magic V leans Optimization (Pure Optimization); Might & Magic: Heroes VI leans Optimization (Pure Optimization).
Might & Magic: Heroes VI leans a little harder on execution, though the gap is small.
Heroes of Might and Magic V
No dexterity component
Might & Magic: Heroes VI
no real-time physical skill needed
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Heroes of Might and Magic V
Only human opponents adapt
Might & Magic: Heroes VI
predicting human opponent strategy in PvP
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Heroes of Might and Magic V
Fog of war, skill rolls, and morale
Might & Magic: Heroes VI
combat rolls and map resources random
Heroes of Might and Magic V leans a little harder on optimization, though the gap is small.
Heroes of Might and Magic V
Faction build orders and initiative math dominate
Might & Magic: Heroes VI
army building and economy near-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.