head to head
Ratchet & Clank: Full Frontal Assault 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
Shooter-platforming crossed with base defense, testing weapon execution and turret planning.
Grand Theft Auto V leans Execution (Practiced Mastery); Ratchet & Clank: Full Frontal Assault leans Execution (Practiced Mastery).
Ratchet & Clank: Full Frontal Assault leans a little harder on execution, though the gap is small.
Grand Theft Auto V
Driving and shooting demand decent inputs.
Ratchet & Clank: Full Frontal Assault
Weapon juggling and movement carry the defense waves
Ratchet & Clank: Full Frontal Assault leans clearly harder on reads.
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
Ratchet & Clank: Full Frontal Assault
Competitive raids against humans reward predicting attack lanes
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.
Ratchet & Clank: Full Frontal Assault
Wave compositions are mostly known after few runs
Ratchet & Clank: Full Frontal Assault leans a little harder on optimization, though the gap is small.
Grand Theft Auto V
Heists, money loops, builds learnable.
Ratchet & Clank: Full Frontal Assault
Turret placement and node economy are plannable systems
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.