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Just about anything made in the last 10 years will run world of warcraft at some level.

No game uses more than 8GB of RAM so any more is irrelevant to gaming.

That particular model is the late 2013 configuration and it is a great machine the 755M graphics card will play most modern games at 1080p at decent frame rates with settings on medium.

You may want to look for one with a fusion drive rather than the standard HDD it makes all the difference for general use.
 
Yes, it will play World of Warcraft very well. All Blizzard games like WoW/Starcraft/Diablo III run almost as well on OS X as Windows (not quite though). You should have no problem getting a good framerate with most settings on high. For reference, my old 27" iMac from 2010 (almost 1/3 of the power of that new one) can get at least 30 fps on WoW on medium settings at the maximum resolution.

RAM currently really doesn't matter much in regards to gaming as long as you have at least 4gb, so you probably won't need more than what is already included. I highly recommend the 27" for games and anything else on a computer, it's a great size. That iMac will also upgrade just fine to 10.11 when it's released.
 
Without a doubt Wow gives the best performance if you use bootcamp and windows. DirectX is so much better than OpenGL in gaming; I used to get double the framerate with better looking graphics to boot in Windows.
 
I tried WoW on my 2013 i5 775m iMac and although I didn't care for the game the performance was good.
 
If my 2009 i7 2.8 quad core with an upgraded GPU (6970) iMac can run WoW with a mix bag of high/med/low settings then that late 2013 sure will run it good.

And it will only get better once El Capitan is released and Blizzard adds in Metal support. (Blizzard already confirmed they will be adding Metal to their games.)
 
WoW runs pretty well on OS X, however the unfortunate reality is that the GPU in that iMac really isn't particularly good, especially not for that price.

If your main purpose for the computer is going to be gaming, you'll get substantially better value for money out of a PC.

With that said, if you're set on a Mac then yes, this iMac is a pretty decent Mac - just don't expect great gaming performance compared to a similarly priced PC.
 
WoW runs pretty well on OS X, however the unfortunate reality is that the GPU in that iMac really isn't particularly good, especially not for that price.

If your main purpose for the computer is going to be gaming, you'll get substantially better value for money out of a PC.

With that said, if you're set on a Mac then yes, this iMac is a pretty decent Mac - just don't expect great gaming performance compared to a similarly priced PC.

Like I mentioned above your post. This fall with El Capitan and when Blizzard updates their games for Metal there will be a pretty significant improvement in all 2012 and up Macs. (Yes this only applies to game studios who add Metal support, but Blizzard already announced they are. I would imagine over time more game studios will start using it as well.)
 
Like I mentioned above your post. This fall with El Capitan and when Blizzard updates their games for Metal there will be a pretty significant improvement in all 2012 and up Macs. (Yes this only applies to game studios who add Metal support, but Blizzard already announced they are. I would imagine over time more game studios will start using it as well.)
I'm definitely very happy that Apple has started addressing this with metal and really can't wait to see what developers do with it, but even then, the fact is that as long as Apple continue using mobile GPUs in the iMacs they simply are not going to be even close in performance to PCs using desktop GPUs.

For example, the GPU in the non-retina 27" iMac is the Nvidia GeForce GT 755m which scores 1577 on passmark. By comparison, even the fairly modest GTX 750 (which currently goes for around $90) scores 3250. The fact is Apple simply aren't that concerned about GPU performance if it means they can reduce heat output and power usage.
 
I'm definitely very happy that Apple has started addressing this with metal and really can't wait to see what developers do with it, but even then, the fact is that as long as Apple continue using mobile GPUs in the iMacs they simply are not going to be even close in performance to PCs using desktop GPUs.

For example, the GPU in the non-retina 27" iMac is the Nvidia GeForce GT 755m which scores 1577 on passmark. By comparison, even the fairly modest GTX 750 (which currently goes for around $90) scores 3250. The fact is Apple simply aren't that concerned about GPU performance if it means they can reduce heat output and power usage.

I agree mobile GPU's they use won't ever compare to full on desktop GPU's. I could be wrong but I like to think with them finally coming up with Metal they are now starting to focus on the long over due issue of graphic performance in all macs. Maybe they'll start working on solutions to bring more powerful GPU's into their systems.

Metal definitely helps close the gap and to me it's a sign there might be more things to come in the future.
 
I use my iMac for work, so my prioroty is Illustrator/Photoshop/inDesign, but being able to switch into Windows on the same machine and game is a bonus.
I have a late 2012 with the 680MX GPU and it's pretty decent giving 60fps in most games with mid to high settings. I prefer the convenience of one machine than my old set-up with iMac for work and PC for fun as my workspace was pretty cluttered.
 
Like I mentioned above your post. This fall with El Capitan and when Blizzard updates their games for Metal there will be a pretty significant improvement in all 2012 and up Macs. (Yes this only applies to game studios who add Metal support, but Blizzard already announced they are. I would imagine over time more game studios will start using it as well.)

Any idea on how much of a percentage of improvement we'll see in FPS?
 
Like I mentioned above your post. This fall with El Capitan and when Blizzard updates their games for Metal there will be a pretty significant improvement in all 2012 and up Macs. (Yes this only applies to game studios who add Metal support, but Blizzard already announced they are. I would imagine over time more game studios will start using it as well.)

Any word on Blizzard updating their Mac client for Metal?

I know with Elder Scrolls Online there is no plans in the works for Metal. They recently revised their minimum specs in preparation for newer versions of OpenGL that not all Macs support. According to ESO devs updating for Metal would further limit their customer base with even more stringent minimum specs.
 
Any idea on how much of a percentage of improvement we'll see in FPS?

Won't really know until it's in front of us really. Metal is supposed to be like 50% better on rendering or drawing. No clue what that translates for fps. But also keep in mind.
Any word on Blizzard updating their Mac client for Metal?

I know with Elder Scrolls Online there is no plans in the works for Metal. They recently revised their minimum specs in preparation for newer versions of OpenGL that not all Macs support. According to ESO devs updating for Metal would further limit their customer base with even more stringent minimum specs.

Yes Blizzard will be updating for Metal. I even said so in the quote you included.
 
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