head to head
7 Days to Die asks more than Fallout: New Vegas, and the gap is variance.

Optimization · Pure Optimization
A zombie survival crafter where horde-night base design carries the game.

Optimization · Pure Optimization
A faction-driven RPG-shooter where build and route planning shape every ending.
7 Days to Die leans Optimization (Pure Optimization); Fallout: New Vegas 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.
7 Days to Die
Aim and movement during horde nights matter.
Fallout: New Vegas
Shooter inputs with VATS assist
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
7 Days to Die
Zombie AI is largely scripted with minor pathing adaptation.
Fallout: New Vegas
Scripted factions and enemies
7 Days to Die leans clearly harder on variance.
7 Days to Die
World generation and loot rolls randomized.
Fallout: New Vegas
Some loot and crit RNG
Fallout: New Vegas leans a little harder on optimization, though the gap is small.
7 Days to Die
Base design and horde-night kill funnels dominate.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
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.