head to head
Fallout: New Vegas asks more than The Elder Scrolls III: Morrowind, and the gap is execution.

Optimization · Pure Optimization
A faction-driven RPG-shooter where build and route planning shape every ending.

Optimization · Pure Optimization
Classic open-world RPG where stats and broken crafting systems trump twitch skill.
Fallout: New Vegas leans Optimization (Pure Optimization); The Elder Scrolls III: Morrowind leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Fallout: New Vegas
Shooter inputs with VATS assist
The Elder Scrolls III: Morrowind
Dice-roll combat ignores aim skill
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Fallout: New Vegas
Scripted factions and enemies
The Elder Scrolls III: Morrowind
No adaptive opposition
The Elder Scrolls III: Morrowind leans a little harder on variance, though the gap is small.
Fallout: New Vegas
Some loot and crit RNG
The Elder Scrolls III: Morrowind
Hit chances rolled behind the screen
Fallout: New Vegas leans a little harder on optimization, though the gap is small.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
The Elder Scrolls III: Morrowind
Alchemy and spellcrafting are famously 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.