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.

Optimization · Grand Arena
A deep MOBA where draft theory and adaptive mind games drive every fight.

Reads · Grand Arena
A team MOBA where map control and adaptive duels decide objectives.
Dota 2 leans Optimization (Grand Arena); League of Legends leans Reads (Grand Arena).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Dota 2
Last-hits and spell timing demand precision.
League of Legends
Mechanics matter but not aimbot-decisive.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Dota 2
Drafts and ganks revolve around adaptive opponents.
League of Legends
Lane and jungle constantly mind-game opponents.
Dota 2 leans a little harder on variance, though the gap is small.
Dota 2
Crits, bashes, and bounty runes add noise.
League of Legends
Champion select and minor RNG only.
Dota 2 leans a little harder on optimization, though the gap is small.
Dota 2
Item builds, timings, and lane theory are deep.
League of Legends
Itemization, wave management, and macro are solvable.
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.