head to head
Counter-Strike: Global Offensive asks more than Team Fortress 2, and the gap is execution.

Execution · Competitive PvP
Definitive competitive tactical FPS balancing aim mastery with team strategy.

Execution · Competitive PvP
Class-based team shooter with deep mind games.
Counter-Strike: Global Offensive leans Execution (Competitive PvP); Team Fortress 2 leans Execution (Competitive PvP).
Counter-Strike: Global Offensive leans clearly harder on execution.
Counter-Strike: Global Offensive
Spray control and flick precision at the top
Team Fortress 2
Projectile aim and rocket jumps reward hands
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Counter-Strike: Global Offensive
Anti-stratting and mid-round adaptation
Team Fortress 2
Spy/sniper duels are pure prediction
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Counter-Strike: Global Offensive
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Team Fortress 2
Random crits and spread inject RNG
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Counter-Strike: Global Offensive
Utility lineups, economy, and default strats
Team Fortress 2
Class loadouts and map routes solvable
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.