head to head
vs
Deus ExvsFallout: New Vegas
Deus Ex leans Optimization (Pure Optimization); Fallout: New Vegas leans Optimization (Pure Optimization).
Deus ExFallout: New Vegas
Axis by axis
Execution4 vs 4
Even - both lean on execution about the same.
Reads1 vs 1
Even - both lean on reads about the same.
Variance3 vs 2
Deus Ex leans harder on variance: Enemy placements and item locations are fixed but initially hidden
Optimization9 vs 8
Deus Ex leans harder on optimization: Augmentation builds, routes, and tool choices are the core system
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.