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

Optimization · Pure Optimization
Fantasy RTS spin-off of Rise of Nations with three wildly asymmetric civilizations and hero units.

Optimization · Practiced Mastery
An MMO where bar-swap rotations and set-build optimization carry endgame.
Rise of Nations: Rise of Legends leans Optimization (Pure Optimization); The Elder Scrolls Online leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Rise of Nations: Rise of Legends
Real-time economy and army juggling needs speed
The Elder Scrolls Online
Action combat with weaving and rotations
Rise of Nations: Rise of Legends leans a little harder on reads, though the gap is small.
Rise of Nations: Rise of Legends
PvP rewards countering opponents' hero and tech commitments
The Elder Scrolls Online
Cyrodiil PvP adds modest reads layer
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Rise of Nations: Rise of Legends
Map layouts and neutral sites vary
The Elder Scrolls Online
Loot tables and set drops
Rise of Nations: Rise of Legends leans a little harder on optimization, though the gap is small.
Rise of Nations: Rise of Legends
Asymmetric faction trees and expansion timing reward deep study
The Elder Scrolls Online
Rotations, sets, and build theorycraft central
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.