If you need to ask then the answer is that you absolutely won't know a difference between one or the other...
I got it simply for down the line resale considerations and I wanted the highest spec I could get.
I did the exact same thing.
Speed improvement is not all that great from the 2.4ghz that my brother has.
The 7200 rpm drive makes more of a difference.
I got it simply for down the line resale considerations and I wanted the highest spec I could get.