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 · Pure Optimization
Beloved fantasy turn-based strategy of heroes, castles, and stacked creature armies racing for map control.

Optimization · Pure Optimization
The first fully 3D mainline Pokemon adventure, introducing Mega Evolution and the Fairy type in Kalos.
Heroes of Might and Magic II leans Optimization (Pure Optimization); Pokemon X leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Heroes of Might and Magic II
Turn-based clicking only
Pokemon X
Menu-driven combat throughout
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Heroes of Might and Magic II
Hotseat duels reward mind games; AI is mappable
Pokemon X
Scripted opponents; online battling optional
Heroes of Might and Magic II leans a little harder on variance, though the gap is small.
Heroes of Might and Magic II
Map exploration, morale, luck, and combat rolls
Pokemon X
Wild encounter and catch randomness
Heroes of Might and Magic II leans a little harder on optimization, though the gap is small.
Heroes of Might and Magic II
Build orders, hero chaining, and creature math are deeply solvable
Pokemon X
Mega Evolution timing and team planning dominate
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.