head to head
vs
Need for Speed UnboundvsRace Driver: Grid
Need for Speed Unbound leans Execution (Practiced Mastery); Race Driver: Grid leans Execution (Practiced Mastery).
Need for Speed UnboundRace Driver: Grid
Axis by axis
Execution6 vs 7
Race Driver: Grid leans harder on execution: Aggressive wheel-to-wheel car control is the core demand
Reads2 vs 2
Even - both lean on reads about the same.
Variance2 vs 1
Need for Speed Unbound leans harder on variance: Heat level and cop chase RNG
Optimization5 vs 5
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.