head to head
Fallout: New Vegas asks more than Black & White, and the gap is execution.

Optimization · Pure Optimization
God game about winning worshippers through miracles and training a giant pet creature.

Optimization · Pure Optimization
A faction-driven RPG-shooter where build and route planning shape every ending.
Black & White leans Optimization (Pure Optimization); Fallout: New Vegas leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Black & White
Gesture-cast miracles; minimal dexterity stakes
Fallout: New Vegas
Shooter inputs with VATS assist
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Black & White
Rival gods follow scripted strategies
Fallout: New Vegas
Scripted factions and enemies
Black & White leans a little harder on variance, though the gap is small.
Black & White
Creature learning quirks surprise first plays
Fallout: New Vegas
Some loot and crit RNG
Fallout: New Vegas leans a little harder on optimization, though the gap is small.
Black & White
Village economy, belief spread, and creature training
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
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.