head to head
Rise of Nations: Rise of Legends asks more than Fallout: New Vegas, and the gap is reads.

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

Optimization · Pure Optimization
Fantasy RTS spin-off of Rise of Nations with three wildly asymmetric civilizations and hero units.
Fallout: New Vegas leans Optimization (Pure Optimization); Rise of Nations: Rise of Legends leans Optimization (Pure Optimization).
Rise of Nations: Rise of Legends leans a little harder on execution, though the gap is small.
Fallout: New Vegas
Shooter inputs with VATS assist
Rise of Nations: Rise of Legends
Real-time economy and army juggling needs speed
Rise of Nations: Rise of Legends leans clearly harder on reads.
Fallout: New Vegas
Scripted factions and enemies
Rise of Nations: Rise of Legends
PvP rewards countering opponents' hero and tech commitments
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
Rise of Nations: Rise of Legends
Map layouts and neutral sites vary
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
Rise of Nations: Rise of Legends
Asymmetric faction trees and expansion timing reward deep study
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.