head to head
Tom Clancy's Ghost Recon Advanced Warfighter 2 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
Planning tactical approaches and executing careful shots where mistakes are lethal.
Grand Theft Auto V leans Execution (Practiced Mastery); Tom Clancy's Ghost Recon Advanced Warfighter 2 leans Execution (Practiced Mastery).
Tom Clancy's Ghost Recon Advanced Warfighter 2 leans a little harder on execution, though the gap is small.
Grand Theft Auto V
Driving and shooting demand decent inputs.
Tom Clancy's Ghost Recon Advanced Warfighter 2
Accurate shooting under lethal fire still decides firefights
Tom Clancy's Ghost Recon Advanced Warfighter 2 leans clearly harder on reads.
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
Tom Clancy's Ghost Recon Advanced Warfighter 2
Multiplayer rewards predicting human positioning; campaign AI is scripted
Tom Clancy's Ghost Recon Advanced Warfighter 2 leans a little harder on variance, though the gap is small.
Grand Theft Auto V
Some mission and lobby randomness.
Tom Clancy's Ghost Recon Advanced Warfighter 2
Unknown enemy placements punish first attempts
Tom Clancy's Ghost Recon Advanced Warfighter 2 leans clearly harder on optimization.
Grand Theft Auto V
Heists, money loops, builds learnable.
Tom Clancy's Ghost Recon Advanced Warfighter 2
Squad orders, drone recon and approach planning carry the campaign
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.