head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Execution · Pure Mechanics
A pure reaction-timing endurance test against accelerating random obstacles.

Execution · Pure Mechanics
Holding clean lines at speed through traffic on memorisable point-to-point roads.
Chrome Dino leans Execution (Pure Mechanics); The Need for Speed leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Chrome Dino
Jump and duck timing at accelerating speed is everything
The Need for Speed
Holding racing lines at speed through traffic is the test
The Need for Speed leans a little harder on reads, though the gap is small.
Chrome Dino
No opponent, just obstacles
The Need for Speed
AI rivals and police follow fixed behaviour
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Chrome Dino
Obstacle order is random but instantly readable
The Need for Speed
Traffic patterns add mild run-to-run noise
The Need for Speed leans a little harder on optimization, though the gap is small.
Chrome Dino
Almost nothing to plan beyond reaction discipline
The Need for Speed
Track knowledge and car choice settle quickly
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.