The following compares the current state of Elemental Shamans to Outlaw Rogues using the latest SimulationCraft data for end-game PvE in World of Warcraft The War Within patch 11.0.2.
Comparison
Category
Winner
Outlaw Rogue
+4.48%
When simulating boss fight encounters, Outlaw Rogues averaged 4.48% more DPS than Elemental Shamans (+70K DPS).
Outlaw Rogue
+29.49%
When simulating AoE DPS, Outlaw Rogues averaged 29.49% more DPS than Elemental Shamans (+349K DPS).
Outlaw Rogue
+64.55%
Outlaw Rogues have higher spike damage potential, achieving +7.3M more DPS than Elemental Shamans.
Spike damage is the peak DPS achieved in any given moment and is not sustained DPS.
Outlaw Rogue
+1.89%
When upgrading the gear for both specs by +44 ilvl, Outlaw Rogue DPS improved the most, +1.89% more than Elemental Shaman. In total, Outlaw Rogues DPS increased by 69.04% and Elemental Shamans by 67.15%.
Outlaw Rogue
+3.67%
+ Movement and latency lowered the DPS by 14.47% for Outlaw Rogues.
+ Movement and latency lowered the DPS by 18.14% for Elemental Shamans.
When introducing occasional movement and real-world latency, Outlaw Rogues performed better, as Elemental Shamans suffered a +3.67% DPS loss.
Elemental Shaman
When evaluating abilities used during boss encounters, Elemental Shamans had fewer damaging abilities in total, indicating a potentially less complex rotation.
The comparisons above highlight some of the key differences between Elemental Shaman and Outlaw Rogue in the current meta, which can hopefully help you determine which spec to play or group up with.