The following compares the current state of Havoc Demon Hunters to Unholy Death Knights using the latest SimulationCraft data for end-game PvE in World of Warcraft The War Within patch 11.0.2.
Comparison
Category
Winner
Unholy Death Knight
+0.78%
When simulating boss fight encounters, Unholy Death Knights averaged 0.78% more DPS than Havoc Demon Hunters (+12K DPS).
Havoc Demon Hunter
+6.39%
When simulating AoE DPS, Havoc Demon Hunters averaged 6.39% more DPS than Unholy Death Knights (+65K DPS).
Havoc Demon Hunter
+27.4%
Havoc Demon Hunters have higher spike damage potential, achieving +2.2M more DPS than Unholy Death Knights.
Spike damage is the peak DPS achieved in any given moment and is not sustained DPS.
Havoc Demon Hunter
+0.87%
When upgrading the gear for both specs by +44 ilvl, Havoc Demon Hunter DPS improved the most, +0.87% more than Unholy Death Knight. In total, Havoc Demon Hunters DPS increased by 65.84% and Unholy Death Knights by 64.97%.
Unholy Death Knight
+5.24%
+ Movement and latency lowered the DPS by 6.15% for Unholy Death Knights.
+ Movement and latency lowered the DPS by 11.39% for Havoc Demon Hunters.
When introducing occasional movement and real-world latency, Unholy Death Knights performed better, as Havoc Demon Hunters suffered a +5.24% DPS loss.
Unholy Death Knight
When evaluating abilities used during boss encounters, Unholy Death Knights had fewer damaging abilities in total, indicating a potentially less complex rotation.
The comparisons above highlight some of the key differences between Havoc Demon Hunter and Unholy Death Knight in the current meta, which can hopefully help you determine which spec to play or group up with.