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

Execution · Practiced Mastery
A back-to-basics WWII Call of Duty centered on grounded multiplayer gunfights.

Execution · Competitive PvP
Accessible large-scale shooting with light prediction against human players.
Call of Duty: WWII leans Execution (Practiced Mastery); Star Wars Battlefront leans Execution (Competitive PvP).
Call of Duty: WWII leans a little harder on execution, though the gap is small.
Call of Duty: WWII
Boots-on-ground gunskill decides most fights
Star Wars Battlefront
Aimbot dominates blaster fights despite generous hitboxes
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Call of Duty: WWII
Predicting enemy pushes on lanes matters
Star Wars Battlefront
Human lobbies add modest positional prediction
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Call of Duty: WWII
Spawns and loot crates inject randomness
Star Wars Battlefront
Power-up pickups and spawn flow inject chaos
Call of Duty: WWII leans a little harder on optimization, though the gap is small.
Call of Duty: WWII
Division builds and map lanes are learnable
Star Wars Battlefront
Objective timing and pickup control reward learned routes
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.