head to head
vs
Fallout 2vsIcewind Dale II
Fallout 2 leans Optimization (Pure Optimization); Icewind Dale II leans Optimization (Pure Optimization).
Fallout 2Icewind Dale II
Axis by axis
Execution2 vs 2
Even - both lean on execution about the same.
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.