head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.

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

Optimization · Pure Optimization
A real-time Pokemon adventure set entirely within a redeveloping Lumiose City, reviving Mega Evolution.
Fallout: New Vegas leans Optimization (Pure Optimization); Pokemon Legends: Z-A leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Fallout: New Vegas
Shooter inputs with VATS assist
Pokemon Legends: Z-A
Real-time battle positioning and dodge timing matter
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
Pokemon Legends: Z-A
Opponents follow patterns, not adaptive minds
Pokemon Legends: Z-A leans a little harder on variance, though the gap is small.
Fallout: New Vegas
Some loot and crit RNG
Pokemon Legends: Z-A
Wild spawns and catch outcomes stay random
Fallout: New Vegas leans a little harder on optimization, though the gap is small.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
Pokemon Legends: Z-A
Move loadouts and Mega strategy drive progress
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.