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

Optimization · Pure Optimization
Managing galactic economy and fleet counters, with prediction mattering against humans.

Optimization · Pure Optimization
A medieval siege-warfare RTS emphasizing economy management and castle building.
Star Wars: Empire at War leans Optimization (Pure Optimization); Stronghold Crusader II leans Optimization (Pure Optimization).
Stronghold Crusader II leans a little harder on execution, though the gap is small.
Star Wars: Empire at War
Some battle micro, but APM never dominates outcomes
Stronghold Crusader II
unit micro and siege management require dexterity
Star Wars: Empire at War leans a little harder on reads, though the gap is small.
Star Wars: Empire at War
Multiplayer galactic feints and fleet composition mind-games matter
Stronghold Crusader II
reading human opponents' siege timing and attacks
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Star Wars: Empire at War
Fog of war hides enemy fleets until scouted
Stronghold Crusader II
minor resource and combat RNG
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Star Wars: Empire at War
Economy, tech order and counter-unit composition decide campaigns
Stronghold Crusader II
economy and siege strategy dominate outcomes
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.