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 · Competitive PvP
Arcade baseball testing hit timing and pitch prediction in versus play.

Execution · Competitive PvP
Accessible large-scale shooting with light prediction against human players.
Mario Superstar Baseball leans Execution (Competitive PvP); Star Wars Battlefront leans Execution (Competitive PvP).
Star Wars Battlefront leans a little harder on execution, though the gap is small.
Mario Superstar Baseball
Bat timing and charged pitches are the core motor test
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.
Mario Superstar Baseball
Guessing a human pitcher's mix is the versus layer
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.
Mario Superstar Baseball
Star swings and bobbles add bounded randomness
Star Wars Battlefront
Power-up pickups and spawn flow inject chaos
Star Wars Battlefront leans a little harder on optimization, though the gap is small.
Mario Superstar Baseball
Chemistry pairings and lineups are quickly learned
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.