head to head
vs
Fallout 4vsYs I & II Chronicles
Fallout 4 leans Optimization (Pure Optimization); Ys I & II Chronicles leans Optimization (Practiced Mastery).
Fallout 4Ys I & II Chronicles
Axis by axis
Execution4 vs 5
Ys I & II Chronicles leans harder on execution: Bump-combat angles and boss dodging need real precision.
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.