The following compares the current state of Destruction Warlocks to Subtlety Rogues using the latest SimulationCraft data for end-game PvE in World of Warcraft The War Within patch 11.0.2.
Comparison
Category
Winner
Subtlety Rogue
+10.55%
When simulating boss fight encounters, Subtlety Rogues averaged 10.55% more DPS than Destruction Warlocks (+155K DPS).
Subtlety Rogue
+28.13%
When simulating AoE DPS, Subtlety Rogues averaged 28.13% more DPS than Destruction Warlocks (+290K DPS).
Subtlety Rogue
+10.2%
Subtlety Rogues have higher spike damage potential, achieving +798.5K more DPS than Destruction Warlocks.
Spike damage is the peak DPS achieved in any given moment and is not sustained DPS.
Subtlety Rogue
+2.92%
When upgrading the gear for both specs by +44 ilvl, Subtlety Rogue DPS improved the most, +2.92% more than Destruction Warlock. In total, Subtlety Rogues DPS increased by 70.45% and Destruction Warlocks by 67.53%.
Subtlety Rogue
+14.73%
+ Movement and latency lowered the DPS by 8% for Subtlety Rogues.
+ Movement and latency lowered the DPS by 22.73% for Destruction Warlocks.
When introducing occasional movement and real-world latency, Subtlety Rogues performed better, as Destruction Warlocks suffered a +14.73% DPS loss.
Destruction Warlock
When evaluating abilities used during boss encounters, Destruction Warlocks had fewer damaging abilities in total, indicating a potentially less complex rotation.
The comparisons above highlight some of the key differences between Destruction Warlock and Subtlety Rogue in the current meta, which can hopefully help you determine which spec to play or group up with.