head to head
L.A. Noire asks more than Rental, and the gap is optimization.

Optimization · Systems & Chaos
1940s detective procedural built around crime scenes and reading scripted interrogation tells.

Variance · Systems & Chaos
A short scripted horror walk whose only test is not knowing what comes next.
L.A. Noire leans Optimization (Systems & Chaos); Rental leans Variance (Systems & Chaos).
L.A. Noire leans a little harder on execution, though the gap is small.
L.A. Noire
Light shooting and driving, very forgiving
Rental
Walking through a short spook house demands no dexterity
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
L.A. Noire
Suspects follow fixed scripts, never adapt
Rental
Scares are scripted, nothing adapts to you
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
L.A. Noire
Interrogation tells and clues hidden until discovered
Rental
First playthrough runs entirely on unknown scripted events
L.A. Noire leans clearly harder on optimization.
L.A. Noire
Evidence chains and question choices have fixed correct answers
Rental
Once seen, the whole route is trivially known
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.