head to head
vs
Fallout 4vsVampyr
Fallout 4 leans Optimization (Pure Optimization); Vampyr leans Optimization (Practiced Mastery).
Fallout 4Vampyr
Axis by axis
Execution4 vs 5
Vampyr leans harder on execution: Dodge-and-stamina melee combat with modest demands
Reads1 vs 0
Fallout 4 leans harder on reads: Scripted enemy AI
Variance2 vs 2
Even - both lean on variance about the same.
Optimization7 vs 7
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.