head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Execution · Pure Mechanics
Reflex-driven point-to-point racing through heavily scripted setpieces.

Execution · Pure Mechanics
A DS spin-off where you befriend wild Pokemon by drawing unbroken loops around them with the stylus.
Need for Speed: The Run leans Execution (Pure Mechanics); Pokemon Ranger 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.
Need for Speed: The Run
Reaction driving through traffic and setpieces is the test
Pokemon Ranger
Circling Pokemon with the stylus without breaking the loop
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Need for Speed: The Run
Rivals rubber-band on scripts, nothing to out-think
Pokemon Ranger
Capture targets move on set patterns
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Need for Speed: The Run
Scripted events surprise once, then are known
Pokemon Ranger
Movement patterns vary slightly per attempt
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Need for Speed: The Run
Checkpoint routes and car choice are quickly solved
Pokemon Ranger
Poke Assist choices and capture order help
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.