The following compares the current state of Arms Warriors to Subtlety Rogues using the latest SimulationCraft data for end-game PvE in World of Warcraft The War Within patch 11.0.2.
Comparison
Category
Winner
Arms Warrior
+3.3%
When simulating boss fight encounters, Arms Warriors averaged 3.3% more DPS than Subtlety Rogues (+50K DPS).
Arms Warrior
+16.11%
When simulating AoE DPS, Arms Warriors averaged 16.11% more DPS than Subtlety Rogues (+198K DPS).
Subtlety Rogue
+9.45%
Subtlety Rogues have higher spike damage potential, achieving +740.1K more DPS than Arms Warriors.
Spike damage is the peak DPS achieved in any given moment and is not sustained DPS.
Subtlety Rogue
+3.33%
When upgrading the gear for both specs by +44 ilvl, Subtlety Rogue DPS improved the most, +3.33% more than Arms Warrior. In total, Subtlety Rogues DPS increased by 70.45% and Arms Warriors by 67.12%.
Subtlety Rogue
+17.77%
+ Movement and latency lowered the DPS by 4.96% for Subtlety Rogues.
+ Movement and latency lowered the DPS by 22.73% for Arms Warriors.
When introducing occasional movement and real-world latency, Subtlety Rogues performed better, as Arms Warriors suffered a +17.77% DPS loss.
Subtlety Rogue
When evaluating abilities used during boss encounters, Subtlety Rogues had fewer damaging abilities in total, indicating a potentially less complex rotation.
The comparisons above highlight some of the key differences between Arms Warrior and Subtlety Rogue in the current meta, which can hopefully help you determine which spec to play or group up with.