head to head
Portal 2 asks more than Satisfactory, and the gap is execution.

Optimization · Pure Optimization
A first-person puzzle game where seeing the solution is the whole skill.

Optimization · Pure Optimization
A first-person factory builder that is pure logistics optimization.
Portal 2 leans Optimization (Pure Optimization); Satisfactory leans Optimization (Pure Optimization).
Portal 2 leans clearly harder on execution.
Portal 2
Portal placement requires some precision but timing is lenient.
Satisfactory
Light platforming, no real mechanical ceiling.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Portal 2
No opponent; puzzles are static.
Satisfactory
No adaptive opponent in the world.
Satisfactory leans a little harder on variance, though the gap is small.
Portal 2
Puzzles are deterministic with no randomness.
Satisfactory
Resource nodes are fixed once mapped.
Satisfactory leans a little harder on optimization, though the gap is small.
Portal 2
Solving the puzzle's logic IS the entire game.
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.