head to head
Fallout: New Vegas asks more than Like a Dragon: Infinite Wealth, and the gap is execution.

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

Optimization · Pure Optimization
A turn-based JRPG carried by job, gear, and bond-routing optimization.
Fallout: New Vegas leans Optimization (Pure Optimization); Like a Dragon: Infinite Wealth leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Fallout: New Vegas
Shooter inputs with VATS assist
Like a Dragon: Infinite Wealth
Turn-based with positioning, low input demand
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
Like a Dragon: Infinite Wealth
Scripted enemies
Like a Dragon: Infinite Wealth leans a little harder on variance, though the gap is small.
Fallout: New Vegas
Some loot and crit RNG
Like a Dragon: Infinite Wealth
Drop and ability rolls
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
Like a Dragon: Infinite Wealth
Job, gear, and bond routing 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.