As a mage I did 6000+ damage with a maxed out fireball and 100 intelligence, one shotting entire mobs. I'm not sure if a melee character can top this.
Jezusss .... thats some dense cramming there virumor

While i must admit that 6k damage to an entire group of mobs was something i never achieved on my dual-wielding warrior, i must say that i rarely died tho. i pumped up hp-regen with both skill points and enchantment on gear as much as possible so i could dish out alot of punishment and still regen alot. think thats what is most different from warrior and mage. Mages do much more damage but have weaker constitution.
Of course in the end of DKS and thru FoV my damage output from weapons varied from 1000-1500 (400-800) so i could down any normal foe in 1-2-3 blade hits and with Thousand strikes i could down a boss in about 10-15 secs. It all depends how you build your toon of course