Im using E5-2620 v2 can it run 4k gaming with no problems?

I mean it could, but unless you also used this system for other workstation purposes and not mainly gaming, then a mainstream desktop processor would be much better, as something like a 6600k will have much better single core performance, and could all around come close to the 2620 in more workstation environments. Games still arent using more than 4 cores and most use 2, so for gaming single core performance is much more important.
 


Should I get i7 4930K or i7-4820k for it instead becuase I'm also focusing at workstation purposes.Also, my Motherboard can only support LGA2011 socket.