Frost Death Knight PvE Stat Priority - 7.2.5
The below Stat Priority recommendation is based on a mix of SimulationCraft, spreadsheets, in-game testing and through collaboration with other players. Understanding the priority will help you make decisions on which gear to use and how to optimize it, helping improve your overall DPS performance.
Strength > Crit > Haste > Mastery = Versatility
Strength increases your attack power and the damage dealt by your abilities.
Critical Strike increase the chance for your spells and attacks to critically hit for additional damage and healing.
Haste increases attack and spell casting speed, adds additional damage and healing to DoTsA spell or ability that does damage over time. and HoTsA spell or ability that heals over time., and reduces the GCDA universal cooldown activated by most abilities.. Also, Haste increases your Rune regeneration speed. As Frost, Haste increases the number of procs you receive from Killing Machine.
Mastery provides a passive bonus to your character based on your specialization. Mastery Frozen Heart increases all Frost damage dealt, which increases the damage of core abilities like Frost Fever, Howling Blast, and Frost Strike.
Versatility increases your damage, healing, and absorption done and decreases damage received.
Strength [9.02] > Crit [6.39] > Haste [6.02] > Mastery [3.02] = Versatility [3.02]
( Pawn: v1: "PvE-Death_Knight-Frost-Noxxic": Class=DeathKnight, Spec=2, CritRating=6.39, MasteryRating=3.02, Strength=9.02, HasteRating=6.02, Versatility=3.02)