I agree with Snowbunzz, for the money I7 isn't really that much better than I5.
Core i5 is pretty much the mainstream CPU line from the i-series.
i7 being the enthousiast line and i3 the budget line.
With that being said, certain i5 models are better than certain i7 models.
They shouldn't have any trouble running Rift.
Welcome back .
Got Xfire? I'll make a toon with ya.
Lives in City of Zeroes