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

Execution · Practiced Mastery
A rugby sim testing on-field execution and tactical play-calling.

Execution · Competitive PvP
Large-battle aim and positioning with light prediction against human players.
Rugby 08 leans Execution (Practiced Mastery); Star Wars: Battlefront II leans Execution (Competitive PvP).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Rugby 08
Timing tackles, passes and kicks needs manual skill
Star Wars: Battlefront II
Aimbot dominates infantry fights and starfighter dogfights
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Rugby 08
Human opponents bluff plays; AI is scripted
Star Wars: Battlefront II
Human opponents in multiplayer create modest prediction play
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Rugby 08
Some randomness in tackle and bounce outcomes
Star Wars: Battlefront II
Spawns, vehicle availability and hero pickups add chaos
Rugby 08 leans a little harder on optimization, though the gap is small.
Rugby 08
Play calling and team tactics are a learnable layer
Star Wars: Battlefront II
Class choice and map control reward learned plans
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.