head to head
vs
Fallout: New VegasvsFinal Fantasy XIV
Fallout: New Vegas leans Optimization (Pure Optimization); Final Fantasy XIV leans Optimization (Pure Optimization).
Fallout: New VegasFinal Fantasy XIV
Axis by axis
Execution4 vs 6
Final Fantasy XIV leans harder on execution: Tight raid rotations and mechanic dodges
Reads1 vs 1
Even - both lean on reads about the same.
Variance2 vs 1
Fallout: New Vegas leans harder on variance: Some loot and crit RNG
Optimization8 vs 9
Final Fantasy XIV leans harder on optimization: Rotations and raid solves are theorycraft puzzles
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.