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
Solving an interstellar logistics and power-engineering puzzle to construct a Dyson Sphere.

Optimization · Pure Optimization
Optimizing regional economics and city services to sustain growth without collapsing your budget.
Dyson Sphere Program leans Optimization (Pure Optimization); SimCity 4 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.
Dyson Sphere Program
All input is construction clicks with no combat ceiling
SimCity 4
Point-and-click placement; zero reflex requirement
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Dyson Sphere Program
No adversary exists in the default game mode
SimCity 4
Solo sandbox with no adversarial pressure
SimCity 4 leans a little harder on variance, though the gap is small.
Dyson Sphere Program
Star system layouts vary per seed but are fully mappable
SimCity 4
Neighbor city interactions and demand curves add unpredictability
Dyson Sphere Program leans a little harder on optimization, though the gap is small.
Dyson Sphere Program
Interstellar logistics and sphere construction are a pure engineering optimisation problem
SimCity 4
Budget, ordinances, and transport networks are the core puzzle
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.