head to head
Call of Duty: Modern Warfare 2 asks more than FIFA Soccer 06, and the gap is execution.

Execution · Competitive PvP
Blockbuster 2009 sequel famous for killstreak chains and frantic multiplayer.

Execution · Competitive PvP
Timing on the ball and outguessing the opposing player's tactics.
Call of Duty: Modern Warfare 2 leans Execution (Competitive PvP); FIFA Soccer 06 leans Execution (Competitive PvP).
Call of Duty: Modern Warfare 2 leans clearly harder on execution.
Call of Duty: Modern Warfare 2
Fast time-to-kill rewards raw aim and reflex
FIFA Soccer 06
First-touch control and shot timing decide chances
Call of Duty: Modern Warfare 2 leans clearly harder on reads.
Call of Duty: Modern Warfare 2
Outguessing human rotations and flanks
FIFA Soccer 06
Human opponents vary attack patterns and bait tackles
Call of Duty: Modern Warfare 2 leans a little harder on variance, though the gap is small.
Call of Duty: Modern Warfare 2
Spawn flips and killstreak randomness
FIFA Soccer 06
Bounces and keeper spills inject small randomness
Call of Duty: Modern Warfare 2 leans a little harder on optimization, though the gap is small.
Call of Duty: Modern Warfare 2
Killstreak economy, loadout and map knowledge
FIFA Soccer 06
Squad selection and tactics reward preparation
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.