head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Optimization · Pure Optimization
A live-service Fallout where perk-card builds and CAMP crafting drive progression.

Optimization · Pure Optimization
Sandbox medieval sim spanning personal swordplay up to running a kingdom's economy.
Fallout 76 leans Optimization (Pure Optimization); Mount & Blade II: Bannerlord leans Optimization (Pure Optimization).
Mount & Blade II: Bannerlord leans a little harder on execution, though the gap is small.
Fallout 76
Shooter inputs in live combat
Mount & Blade II: Bannerlord
Directional melee blocking and mounted combat
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Fallout 76
PvP exists but most play is PvE
Mount & Blade II: Bannerlord
Multiplayer duels add some human prediction
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Fallout 76
Legendary and event loot rolls
Mount & Blade II: Bannerlord
Procedural campaign politics and battles
Mount & Blade II: Bannerlord leans a little harder on optimization, though the gap is small.
Fallout 76
Perk cards, CAMP, build crafting key
Mount & Blade II: Bannerlord
Economy, army composition, and kingdom management 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.