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 · Pure Mechanics
Hitting fixed pop-rock note charts - execution speed and accuracy, full stop.

Execution · Pure Mechanics
An early arcade climber demanding tight, repeatable jump execution.
Band Hero leans Execution (Pure Mechanics); Donkey Kong Junior leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Band Hero
Hitting scrolling note charts on expert is pure hands
Donkey Kong Junior
precise vine-climbing and jump timing
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Band Hero
Charts are fixed - nothing to predict
Donkey Kong Junior
enemies follow fixed patrol patterns
Donkey Kong Junior leans a little harder on variance, though the gap is small.
Band Hero
Identical note charts every play
Donkey Kong Junior
minor enemy timing variance
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Band Hero
Star-power phrasing adds a thin scoring layer
Donkey Kong Junior
minimal route memorization needed
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.