head to head
Neither is simply harder - they are hard in different places. Fallout: New Vegas demands more execution; Might & Magic Heroes VII demands more variance.

Optimization · Pure Optimization
A faction-driven RPG-shooter where build and route planning shape every ending.

Optimization · Pure Optimization
A turn-based fantasy strategy game where economy and army optimization decide games.
Fallout: New Vegas leans Optimization (Pure Optimization); Might & Magic Heroes VII leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Fallout: New Vegas
Shooter inputs with VATS assist
Might & Magic Heroes VII
no reflex demand, turn-based strategy
Might & Magic Heroes VII leans a little harder on reads, though the gap is small.
Fallout: New Vegas
Scripted factions and enemies
Might & Magic Heroes VII
human opponents can be out-maneuvered strategically
Might & Magic Heroes VII leans clearly harder on variance.
Fallout: New Vegas
Some loot and crit RNG
Might & Magic Heroes VII
combat rolls and map resource randomness
Might & Magic Heroes VII leans a little harder on optimization, though the gap is small.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
Might & Magic Heroes VII
army building and economy optimization dominate
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.