head to head
Starhawk asks more than Grand Theft Auto V, and the gap is reads.

Execution · Practiced Mastery
Sandbox crime playground spanning shooting, driving, and a persistent online economy.

Execution · Practiced Mastery
Tests shooter mechanics fused with real-time base-building economy against human teams.
Grand Theft Auto V leans Execution (Practiced Mastery); Starhawk leans Execution (Practiced Mastery).
Starhawk leans clearly harder on execution.
Grand Theft Auto V
Driving and shooting demand decent inputs.
Starhawk
Vehicle dogfights and third-person gunplay demand twitch skill
Starhawk leans clearly harder on reads.
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
Starhawk
Predicting enemy build placement and pushes matters online
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Grand Theft Auto V
Some mission and lobby randomness.
Starhawk
Little hidden beyond fog of incoming drops
Starhawk leans clearly harder on optimization.
Grand Theft Auto V
Heists, money loops, builds learnable.
Starhawk
Rift economy and build-and-battle structure placement decide matches
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.