head to head
Fallout: New Vegas asks more than Vampire: The Masquerade - Redemption, and the gap is optimization.

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

Optimization · Pure Optimization
A 2000 action RPG spanning centuries of a crusader-turned-vampire's redemption.
Fallout: New Vegas leans Optimization (Pure Optimization); Vampire: The Masquerade - Redemption leans Optimization (Pure Optimization).
Fallout: New Vegas leans a little harder on execution, though the gap is small.
Fallout: New Vegas
Shooter inputs with VATS assist
Vampire: The Masquerade - Redemption
Click-driven real-time combat needs little dexterity
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Fallout: New Vegas
Scripted factions and enemies
Vampire: The Masquerade - Redemption
Enemy AI is simple and scripted
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Fallout: New Vegas
Some loot and crit RNG
Vampire: The Masquerade - Redemption
Loot rolls and unknown dungeons on first pass
Fallout: New Vegas leans clearly harder on optimization.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
Vampire: The Masquerade - Redemption
Discipline builds, party gear, and blood economy
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.