head to head
Dino Crisis asks more than Portal, and the gap is variance.

Optimization · Pure Optimization
Capcom's survival horror where you manage scarce ammo while raptors hunt you through a research facility.

Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.
Dino Crisis leans Optimization (Pure Optimization); Portal 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.
Dino Crisis
Tank-control dodging of fast raptors punishes slow hands
Portal
Portal placement timing modest.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Dino Crisis
Dinosaur AI is aggressive but fixed, never models you
Portal
No adversary modeling player.
Dino Crisis leans clearly harder on variance.
Dino Crisis
Ambush placements and item locations are unknown first time
Portal
Deterministic chambers; no randomness.
Portal leans a little harder on optimization, though the gap is small.
Dino Crisis
Ammo economy, plug puzzles, and routing dominate survival
Portal
Pure puzzle-solving optimization.
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.