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 · Practiced Mastery
Street racer with stylized arcade handling.

Execution · Practiced Mastery
A team arcade racer with no finish line, scoring takedowns and objectives in a rolling stampede.
Need for Speed Unbound leans Execution (Practiced Mastery); Onrush leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Need for Speed Unbound
Arcade drift and grip handling
Onrush
Boost management and aerial takedowns need car control
Onrush leans a little harder on reads, though the gap is small.
Need for Speed Unbound
Online lobbies, AI cops
Onrush
Team-based human opponents in stampede modes
Onrush leans a little harder on variance, though the gap is small.
Need for Speed Unbound
Heat level and cop chase RNG
Onrush
Chaotic pack collisions and fodder spawns
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Need for Speed Unbound
Car build, betting strategy, garage growth
Onrush
Class roles and rush timing are learnable
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.