LOL
Mages have far more Instacasts/Fastcasts than Warlocks.
Now I love this topic because they are so similar and so far different.
The best way I can put this breifly and shortly is this:
Where a Mage has direct and immediate control over a battle in terms of Crowd Control, Damage and Survivability, a Warlock has MUCH less direct and immediate Control, but substantionally more indirect control and inimmediate damage.
If you don't care to read anymore that that will answer your question. Let me explain, however.
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Having played high-end both I find that Fear not only works on a greater array of targets as a CC option, but can be coupled with the fact that Damage can be done over time to these targets as they run aimlessly. At the same time, a Sheeped monster causes little immediate threat and requires little "real" attention. A feared monster can change paths entirely within seconds and pull another set of monsters. Furthermore, the Warlock's Succubus' Seduce adds another CC Option, as well as Banish, however these add even more to the Warlocks 'worry list'. Properly specced/geared Warlocks can CC many more targets than Mages in a 'better' fashion than Mages, its just MUCH more difficult.
For PVP a Mage's skill is often noticable by their ability to move... litterally. Jumping, strafing, and timing spells to the millisecond are all important PVP tactics for a Mage. As a Warlock movement is usually a bad idea unless its in a mad attempt to DoT up multiple opponents. Warlocks require a bit more multimanagement, ability to keep timers in your head, the ability to call upon a myriad of different spells for different situations (is harder than it sounds) and to remember all your options (something I still have yet to master.) Where Mage would be a First Person Shooter, Warlock would be a Turn-Based RPG.
In Damage reguards, the only Mage type I have encountered that can produce the DPS when it counts (PVP and Boss Encounters) are Arcane Mages. Frost has some nasty abilities, and Fire can spit some mad damage in general, but I have yet to be topped by a Frost/Fire Mage in a Boss fight on my Warlock, and I cause MUCH more fuss in PVP. The ability to instant-DoT multiple targets, CC with a wide selection of options, cast a unique Targeted Point-Blank Area of Effect, all while holding a selection of different Pets to encompass multiple situations proves to be a one-up on a Mage's ability. Properly geared/set Arcane Mages can deal a *good* deal more damage than *any* specced Warlock, however they depend on multiple variables and a lot of external assistance, where Warlocks only need Heals thrown on for LT.
The Flip-side, however, is that most Warlock damage requires a certain killtime (be it either long or short depending on the spec). A "good" group going through a Regular Instance will show an Affliction warlock doing lower numbers than a Heroic even with great skill, you will also find lowered efficiency. A "good" group going through a Heroic Boss Fight will show Destruction locks running out of Mana and options as too long of fights eventually wear on Destruction's ability to burst and requirement to rest (unless healed.) Meanwhie any Spec of Mage not only has multiple Mana recovery options, they also have a abilities to retain Mana regeneration through casting, and perform excellently at any inextreme battle. This really makes Mage's a very strong 1v1 PVPer as well (Locks only being able to beat Mages due to Felpuppy's Spell-Lock and Devour Magic abilities.)
Fact is, Mage will perform better and have direct control durring any mid-length fights, while Warlocks excel at very Long (Affliction/Demo) or very short (Destruction) fights and require much more attention but more options when talking about CC options.
Neither are easy, neither are boring, and neither can be simplified to a button-smashing class. The worst thing I can say here is that neither of them play at 70 like they do at 1-60, so telling you to 'try' both out wont help. If you're REALLY interested you can try making one of each in the new 2.4 World Tourney thing so you can try out the high-end game in high-end gear and see what you like.
Edited, Mar 26th 2008 3:26am by tzsjynx