head to head
Age of Empires II: HD Edition asks more than Mount & Blade: Warband, and the gap is reads.

Optimization · Pure Optimization
A real-time strategy game where mastering build orders and economy management decides most matches.

Optimization · Pure Optimization
Cult sandbox where you rise from mercenary to king through swordplay and logistics.
Age of Empires II: HD Edition leans Optimization (Pure Optimization); Mount & Blade: Warband 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.
Age of Empires II: HD Edition
click speed and micro help but secondary
Mount & Blade: Warband
Directional blocking with a real skill ceiling
Age of Empires II: HD Edition leans clearly harder on reads.
Age of Empires II: HD Edition
predicting human opponent strategy and timing
Mount & Blade: Warband
Multiplayer melee involves human feint-reading
Mount & Blade: Warband leans a little harder on variance, though the gap is small.
Age of Empires II: HD Edition
minor map and resource randomness
Mount & Blade: Warband
Emergent campaign events and lord politics
Age of Empires II: HD Edition leans a little harder on optimization, though the gap is small.
Age of Empires II: HD Edition
build orders and economy are near-solvable
Mount & Blade: Warband
Trade routes, troop trees, and fief management 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.