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

Execution · Practiced Mastery
A survival horror shooter aboard a storm-tossed whaler where the rolling deck fights your aim as much as the parasites do.

Execution · Practiced Mastery
Sandbox crime playground spanning shooting, driving, and a persistent online economy.
Cold Fear leans Execution (Practiced Mastery); Grand Theft Auto V leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Cold Fear
Aiming on a storm-rocked ship deck is the signature test
Grand Theft Auto V
Driving and shooting demand decent inputs.
Grand Theft Auto V leans clearly harder on reads.
Cold Fear
Exocels and mercenaries run fixed AI scripts
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
Cold Fear leans a little harder on variance, though the gap is small.
Cold Fear
Some unknown ambushes on a first playthrough
Grand Theft Auto V
Some mission and lobby randomness.
Cold Fear leans a little harder on optimization, though the gap is small.
Cold Fear
Weak-point targeting and ammo economy reward learned play
Grand Theft Auto V
Heists, money loops, builds learnable.
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.