head to head
vs
Fallout 2vsFire Emblem Fates: Birthright
Fallout 2 leans Optimization (Pure Optimization); Fire Emblem Fates: Birthright leans Optimization (Pure Optimization).
Fallout 2Fire Emblem Fates: Birthright
Axis by axis
Execution2 vs 1
Fallout 2 leans harder on execution: Turn-based AP system makes twitch entirely irrelevant
Reads1 vs 1
Even - both lean on reads about the same.
Variance5 vs 4
Fallout 2 leans harder on variance: Hidden special encounters and timed events create significant unknown-information space
Optimization9 vs 9
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.