head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.

Execution · Competitive PvP
Large-battle aim and positioning with light prediction against human players.

Execution · Practiced Mastery
Stick execution and opponent prediction inside licensed tournament football.
Star Wars: Battlefront II leans Execution (Competitive PvP); UEFA Champions League 2006–2007 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.
Star Wars: Battlefront II
Aimbot dominates infantry fights and starfighter dogfights
UEFA Champions League 2006–2007
Pass timing and shot placement decide most goals
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Star Wars: Battlefront II
Human opponents in multiplayer create modest prediction play
UEFA Champions League 2006–2007
Human opponents bait tackles and disguise attacks
Star Wars: Battlefront II leans a little harder on variance, though the gap is small.
Star Wars: Battlefront II
Spawns, vehicle availability and hero pickups add chaos
UEFA Champions League 2006–2007
Deflections and AI bounces add match noise
UEFA Champions League 2006–2007 leans a little harder on optimization, though the gap is small.
Star Wars: Battlefront II
Class choice and map control reward learned plans
UEFA Champions League 2006–2007
Squad selection and tactical setup are solvable preparation
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.