head to head
Rome: Total WarvsTotal War Saga: Thrones of Britannia
Rome: Total War leans Optimization (Pure Optimization); Total War Saga: Thrones of Britannia leans Optimization (Pure Optimization).
Rome: Total WarTotal War Saga: Thrones of Britannia
Axis by axis
Execution3 vs 3
Even - both lean on execution about the same.
Reads2 vs 2
Even - both lean on reads about the same.
Variance2 vs 3
Total War Saga: Thrones of Britannia leans harder on variance: Campaign events and AI moves add mild uncertainty
Optimization8 vs 8
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.

