head to head
Grid 2vsTom Clancy's H.A.W.X
Grid 2 leans Execution (Practiced Mastery); Tom Clancy's H.A.W.X leans Execution (Practiced Mastery).
Grid 2Tom Clancy's H.A.W.X
Axis by axis
Execution7 vs 6
Grid 2 leans harder on execution: Car control through corners is the entire moment-to-moment test
Reads2 vs 2
Even - both lean on reads about the same.
Variance1 vs 2
Tom Clancy's H.A.W.X leans harder on variance: Mission scripting is fixed; little hidden information
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.

