head to head
vs
FIFA Soccer 08vsKick Off
FIFA Soccer 08 leans Execution (Competitive PvP); Kick Off leans Execution (Pure Mechanics).
FIFA Soccer 08Kick Off
Axis by axis
Execution7 vs 8
Kick Off leans harder on execution: Unglued ball demands constant precise touch and steering
Reads6 vs 4
FIFA Soccer 08 leans harder on reads: Versus humans, baiting defenders and disguising attacks is core
Variance2 vs 1
FIFA Soccer 08 leans harder on variance: Ball physics adds bounce noise to single matches
Optimization3 vs 3
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.