head to head
vs
Need for Speed: The RunvsStunt Race FX
Need for Speed: The Run leans Execution (Pure Mechanics); Stunt Race FX leans Execution (Practiced Mastery).
Need for Speed: The RunStunt Race FX
Axis by axis
Execution7 vs 6
Need for Speed: The Run leans harder on execution: Reaction driving through traffic and setpieces is the test
Reads1 vs 1
Even - both lean on reads about the same.
Variance2 vs 1
Need for Speed: The Run leans harder on variance: Scripted events surprise once, then are known
Optimization4 vs 4
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.