head to head
Mindustry asks more than Satisfactory, and the gap is execution.

Optimization · Pure Optimization
Factory-meets-tower-defense; belts feed your defenses.

Optimization · Pure Optimization
A first-person factory builder that is pure logistics optimization.
Mindustry leans Optimization (Pure Optimization); Satisfactory leans Optimization (Pure Optimization).
Mindustry leans clearly harder on execution.
Mindustry
some tower placement under pressure
Satisfactory
Light platforming, no real mechanical ceiling.
Mindustry leans a little harder on reads, though the gap is small.
Mindustry
scripted enemy waves
Satisfactory
No adaptive opponent in the world.
Mindustry leans a little harder on variance, though the gap is small.
Mindustry
map layout variation
Satisfactory
Resource nodes are fixed once mapped.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Mindustry
factory belts and logistics chains
Satisfactory
Ratios, logistics, and factory layout are everything.
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.