head to head
vs
Mass Effect 2vsThe Elder Scrolls IV: Oblivion
Mass Effect 2 leans Optimization (Pure Optimization); The Elder Scrolls IV: Oblivion leans Optimization (Pure Optimization).
Mass Effect 2The Elder Scrolls IV: Oblivion
Axis by axis
Execution4 vs 3
Mass Effect 2 leans harder on execution: Cover shooter inputs, forgiving on normal
Reads1 vs 1
Even - both lean on reads about the same.
Variance1 vs 2
The Elder Scrolls IV: Oblivion leans harder on variance: Loot and level-scaling rolls
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.