The following compares the current state of Frost Mages 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
+4.65%
When simulating boss fight encounters, Windwalker Monks averaged 4.65% more DPS than Frost Mages (+74K DPS).
Frost Mage
+3.53%
When simulating AoE DPS, Frost Mages averaged 3.53% more DPS than Windwalker Monks (+36K DPS).
Windwalker Monk
+67.95%
Windwalker Monks have higher spike damage potential, achieving +5.9M more DPS than Frost Mages.
Spike damage is the peak DPS achieved in any given moment and is not sustained DPS.
Windwalker Monk
+0.9%
When upgrading the gear for both specs by +44 ilvl, Windwalker Monk DPS improved the most, +0.9% more than Frost Mage. In total, Windwalker Monks DPS increased by 68.31% and Frost Mages by 67.41%.
Windwalker Monk
+6.44%
+ Movement and latency lowered the DPS by 8.84% for Windwalker Monks.
+ Movement and latency lowered the DPS by 15.28% for Frost Mages.
When introducing occasional movement and real-world latency, Windwalker Monks performed better, as Frost Mages suffered a +6.44% DPS loss.
Frost Mage
When evaluating abilities used during boss encounters, Frost Mages had fewer damaging abilities in total, indicating a potentially less complex rotation.
The comparisons above highlight some of the key differences between Frost Mage and Windwalker Monk in the current meta, which can hopefully help you determine which spec to play or group up with.