head to head
Fallout: New Vegas asks more than Manor Lords, and the gap is execution.

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

Optimization · Pure Optimization
Medieval city-builder with light tactical battles; optimization first.
Fallout: New Vegas leans Optimization (Pure Optimization); Manor Lords leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Fallout: New Vegas
Shooter inputs with VATS assist
Manor Lords
light battle micro
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Fallout: New Vegas
Scripted factions and enemies
Manor Lords
scripted bandit/AI raids
Manor Lords leans a little harder on variance, though the gap is small.
Fallout: New Vegas
Some loot and crit RNG
Manor Lords
seasons, fertility, raids timing
Manor Lords leans a little harder on optimization, though the gap is small.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
Manor Lords
burgage plots and supply chains central
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.