The following compares the current state of Arcane Mages to Enhancement Shamans using the latest SimulationCraft data for end-game PvE in World of Warcraft The War Within patch 11.0.2.
Comparison
Category
Winner
Arcane Mage
+2.09%
When simulating boss fight encounters, Arcane Mages averaged +33,093.96 more DPS than Enhancement Shamans, a 2.09% increase.
Enhancement Shaman
+0.41%
When simulating AoE DPS, Enhancement Shamans averaged +13,609.11 more DPS than Arcane Mages, a 0.41% increase.
Arcane Mage
+46.53%
Arcane Mages have higher burst damage potential, achieving +3.9M more DPS than Enhancement Shamans.
Note: this is the highest temporary DPS achieved in any given moment and is not sustained DPS.
Arcane Mage
+1.55%
+44 ilvl improved the DPS of Arcane Mage by 67.84%.
+44 ilvl improved the DPS of Enhancement Shaman by 66.29%.
When comparing how both specs scale with gear, Arcane Mages had a higher DPS increase, a +1.55% higher increase than Enhancement Shamans.
Enhancement Shaman
+19.1%
+ Movement and latency lowered the DPS of Enhancement Shaman by 8.94%.
+ Movement and latency lowered the DPS of Arcane Mage by 28.04%.
When introducing occasional movement and real-world latency, Enhancement Shamans were less affected with a 8.94% decrease in DPS, whereas Arcane Mages suffered a higher loss of 28.04% DPS.
Arcane Mage
When evaluating abilities used during boss encounters, Arcane Mages had fewer damaging abilities in total, indicating a potentially less complex rotation.
The comparisons above highlight some of the key differences between Arcane Mage and Enhancement Shaman in the current meta, which can hopefully help you determine which spec to play or group up with.