head to head
vs
Killzone 3vsQuake 4
Killzone 3 leans Execution (Pure Mechanics); Quake 4 leans Execution (Pure Mechanics).
Killzone 3Quake 4
Axis by axis
Execution7 vs 8
Quake 4 leans harder on execution: Aimbot plus strafe-jump inputs dominate both campaign and multiplayer
Reads4 vs 5
Quake 4 leans harder on reads: Multiplayer duels reward predicting human positioning and timing
Variance2 vs 2
Even - both lean on variance about the same.
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.