hi i want to buy one new soundcard and i am between Asus Strix Raid DLX and Asus Essence STX II 7.1

i dont know which to buy?

what is the difference between Asus Strix Raid DLX and Asus Essence STX II 7.1 ? and which is the best?
i want the soundcard for games, music and movies

so which soundcard are you suggested me to buy?
Asus Strix Raid DLX or Asus Essence STX II 7.1?