head to head
vs
Halo: ReachvsTom Clancy's Ghost Recon Advanced Warfighter
Halo: Reach leans Execution (Practiced Mastery); Tom Clancy's Ghost Recon Advanced Warfighter leans Execution (Practiced Mastery).
Halo: ReachTom Clancy's Ghost Recon Advanced Warfighter
Axis by axis
Execution7 vs 6
Halo: Reach leans harder on execution: DMR precision and armour-ability timing
Reads4 vs 4
Even - both lean on reads about the same.
Variance2 vs 2
Even - both lean on variance about the same.
Optimization5 vs 6
Tom Clancy's Ghost Recon Advanced Warfighter leans harder on optimization: Drone recon, squad orders and approach planning decide missions
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.