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 turn-based strategy game where building the optimal army and economy decides victory.

Optimization · Pure Optimization
Classical 4X with dynastic events and order economy.
Might & Magic: Heroes VI leans Optimization (Pure Optimization); Old World 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.
Might & Magic: Heroes VI
no real-time physical skill needed
Old World
turn-based, no twitch
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Might & Magic: Heroes VI
predicting human opponent strategy in PvP
Old World
AI scripted, some MP
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Might & Magic: Heroes VI
combat rolls and map resources random
Old World
event cards, character traits
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Might & Magic: Heroes VI
army building and economy near-solvable
Old World
orders, families, tech routing
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.