head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Execution · Practiced Mastery
Time-hopping Crash entry where relic time trials add a routing layer.

Execution · Practiced Mastery
Zero awakens to lead a resistance in a harsh, rank-graded GBA action series debut.
Crash Bandicoot: Warped leans Execution (Practiced Mastery); Mega Man Zero 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.
Crash Bandicoot: Warped
Precise platforming plus time-trial mastery
Mega Man Zero
Punishing GBA action with strict ranking on damage
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Crash Bandicoot: Warped
All hazards scripted
Mega Man Zero
All bosses are pattern-based
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Crash Bandicoot: Warped
Fixed level layouts
Mega Man Zero
Cyber-elf locations hidden at first
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Crash Bandicoot: Warped
Relic time-trial routing rewards optimization
Mega Man Zero
Rank system penalises elf use, rewarding optimised clean runs
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.