head to head
vs
RezvsRock Band 2
Rez leans Execution (Pure Mechanics); Rock Band 2 leans Execution (Pure Mechanics).
RezRock Band 2
Axis by axis
Execution7 vs 8
Rock Band 2 leans harder on execution: Guitar, drum, and vocal accuracy on expert charts
Reads0 vs 0
Even - both lean on reads about the same.
Variance1 vs 0
Rez leans harder on variance: Fixed rail paths; nothing is hidden after one run
Optimization4 vs 4
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.