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
A medieval siege-warfare RTS emphasizing economy management and castle building.

Optimization · Pure Optimization
Large-scale RTS famous for strategic zoom, thousand-unit armies, and a streaming mass-energy economy.
Stronghold Crusader II leans Optimization (Pure Optimization); Supreme Commander leans Optimization (Pure Optimization).
Supreme Commander leans a little harder on execution, though the gap is small.
Stronghold Crusader II
unit micro and siege management require dexterity
Supreme Commander
Massive APM demands across strategic-zoom battlefields
Supreme Commander leans a little harder on reads, though the gap is small.
Stronghold Crusader II
reading human opponents' siege timing and attacks
Supreme Commander
PvP hinges on scouting and countering opponent commitments
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Stronghold Crusader II
minor resource and combat RNG
Supreme Commander
Deterministic engine; only unscouted intel
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Stronghold Crusader II
economy and siege strategy dominate outcomes
Supreme Commander
Streaming economy and build-order efficiency are the backbone
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.