but otherwise, pretty much what they all said, if you want to play at 1080p i would recommend going down to medium or low settings, but if you can deal with 720 or around there you should be good getting playable fps on high.
actually, the main difference between the 2 cpus is hyper-threading, so the increase he would see in the workload would probably be negated by the gains in the graphics power, which would be beneficial if he's programs for video editing, picture editing, and so forth, although if he is he might want to consider the green team more heavily.
like i said, depending on the program, there are still many applications that do not utilize the gpu at all, then again for all i know this is meant as a gaming machine, only brought it up because 3770k/7770 sounds like a workstation to me and i disapprove of recommending things without knowing the full story
a while back someone asked on the forum for us to help him on a 3d modeling workstation build, after quite bit of recommending firepros and quadros, and arguing about what is better in open cl, open gl, ect., then it came out that the program he uses for modeling uses the gpu for nothing more than projecting images to the screen, this is why i ask questions before making reccomendations