The following compares the current state of Arms Warriors to Windwalker Monks using the latest SimulationCraft data for end-game PvE in World of Warcraft The War Within patch 11.0.2.
Comparison
Category
Winner
Windwalker Monk
+4.96%
When simulating boss fight encounters, Windwalker Monks averaged 4.96% more DPS than Arms Warriors (+79K DPS).
Arms Warrior
+19.67%
When simulating AoE DPS, Arms Warriors averaged 19.67% more DPS than Windwalker Monks (+242K DPS).
Windwalker Monk
+18.47%
Windwalker Monks have higher spike damage potential, achieving +1.6M more DPS than Arms Warriors.
Spike damage is the peak DPS achieved in any given moment and is not sustained DPS.
Windwalker Monk
+1.19%
When upgrading the gear for both specs by +44 ilvl, Windwalker Monk DPS improved the most, +1.19% more than Arms Warrior. In total, Windwalker Monks DPS increased by 68.31% and Arms Warriors by 67.12%.
Windwalker Monk
+3.88%
+ Movement and latency lowered the DPS by 4.96% for Windwalker Monks.
+ Movement and latency lowered the DPS by 8.84% for Arms Warriors.
When introducing occasional movement and real-world latency, Windwalker Monks performed better, as Arms Warriors suffered a +3.88% DPS loss.
Arms Warrior
When evaluating abilities used during boss encounters, Arms Warriors 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 Windwalker Monk in the current meta, which can hopefully help you determine which spec to play or group up with.