head to head
UEFA Champions League 2004-2005 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
A football sim testing on-pitch execution alongside squad and tactical management.
Grand Theft Auto V leans Execution (Practiced Mastery); UEFA Champions League 2004-2005 leans Execution (Practiced Mastery).
UEFA Champions League 2004-2005 leans a little harder on execution, though the gap is small.
Grand Theft Auto V
Driving and shooting demand decent inputs.
UEFA Champions League 2004-2005
Timing passes, shots and tackles demands controller dexterity
UEFA Champions League 2004-2005 leans clearly harder on reads.
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
UEFA Champions League 2004-2005
Human or AI opponents shift, but AI is largely scripted
UEFA Champions League 2004-2005 leans a little harder on variance, though the gap is small.
Grand Theft Auto V
Some mission and lobby randomness.
UEFA Champions League 2004-2005
Some randomness in deflections and shot outcomes
UEFA Champions League 2004-2005 leans clearly harder on optimization.
Grand Theft Auto V
Heists, money loops, builds learnable.
UEFA Champions League 2004-2005
Squad management and tactical formations reward planning
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.