head to head
Arcania: Gothic 4vsThe Elder Scrolls V: Skyrim
Arcania: Gothic 4 leans Optimization (Practiced Mastery); The Elder Scrolls V: Skyrim leans Optimization (Pure Optimization).
Arcania: Gothic 4The Elder Scrolls V: Skyrim
Axis by axis
Execution4 vs 3
Arcania: Gothic 4 leans harder on execution: real-time melee combat timing
Reads0 vs 0
Even - both lean on reads about the same.
Variance2 vs 2
Even - both lean on variance about the same.
Optimization6 vs 7
The Elder Scrolls V: Skyrim leans harder on optimization: Skill stacking, enchant loops, and exploits are deeply solvable.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

