The following compares the current state of Demonology Warlocks 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
+15.88%
When simulating boss fight encounters, Windwalker Monks averaged 15.88% more DPS than Demonology Warlocks (+253K DPS).
Windwalker Monk
+24.59%
When simulating AoE DPS, Windwalker Monks averaged 24.59% more DPS than Demonology Warlocks (+243K DPS).
Windwalker Monk
+65.98%
Windwalker Monks have higher spike damage potential, achieving +5.7M more DPS than Demonology Warlocks.
Spike damage is the peak DPS achieved in any given moment and is not sustained DPS.
Windwalker Monk
+0.68%
When upgrading the gear for both specs by +44 ilvl, Windwalker Monk DPS improved the most, +0.68% more than Demonology Warlock. In total, Windwalker Monks DPS increased by 68.31% and Demonology Warlocks by 67.63%.
Windwalker Monk
+9.93%
+ Movement and latency lowered the DPS by 8.84% for Windwalker Monks.
+ Movement and latency lowered the DPS by 18.77% for Demonology Warlocks.
When introducing occasional movement and real-world latency, Windwalker Monks performed better, as Demonology Warlocks suffered a +9.93% DPS loss.
Demonology Warlock
When evaluating abilities used during boss encounters, Demonology Warlocks had fewer damaging abilities in total, indicating a potentially less complex rotation.
The comparisons above highlight some of the key differences between Demonology Warlock and Windwalker Monk in the current meta, which can hopefully help you determine which spec to play or group up with.