head to head
vs
Fallout: New VegasvsHitman: Blood Money
Fallout: New Vegas leans Optimization (Pure Optimization); Hitman: Blood Money leans Optimization (Pure Optimization).
Fallout: New VegasHitman: Blood Money
Axis by axis
Execution4 vs 3
Fallout: New Vegas leans harder on execution: Shooter inputs with VATS assist
Reads1 vs 0
Fallout: New Vegas leans harder on reads: Scripted factions and enemies
Variance2 vs 2
Even - both lean on variance about the same.
Optimization8 vs 9
Hitman: Blood Money leans harder on optimization: Accident-kill routing is a near-solvable planning puzzle
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.