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

Execution · Competitive PvP
Supercell's snappy top-down team brawler built around three-minute objective fights.

Execution · Practiced Mastery
A football sim testing play execution and play-calling prediction against opponents.
Brawl Stars leans Execution (Competitive PvP); Madden Football 64 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.
Brawl Stars
Aim, dodging, and ability timing in real time
Madden Football 64
Throw and run timing decides plays in real time
Brawl Stars leans a little harder on reads, though the gap is small.
Brawl Stars
Human teams rotate, bait supers, and adapt
Madden Football 64
Human opponents disguise plays, demanding prediction
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Brawl Stars
Bush ambushes and power-cube spawns hide information
Madden Football 64
Catch and fumble outcomes carry simulated randomness
Madden Football 64 leans a little harder on optimization, though the gap is small.
Brawl Stars
Brawler matchups and map strategy are learnable
Madden Football 64
Playbook, audibles and roster tactics run deep
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.