Film student deciding between 15in Macbook Pro, 2.2 or 2.5GHz Quad-core Intel Core i7
I am going into my final year of college, studying digital cinema production, and I am looking to update my mid-2012, 13 inch Macbook Pro to a new model.
I have decided on the 15 inch with 256GB PCIe-based Flash Storage (since I use external hard drives often) but I am unsure whether or not I should upgrade the processor too. I would like to stay cheaper, because I'm on a college budget, but I also do a lot of editing and work in Adobe CC (predominantly Premiere and After Effects) and I would like to own a Macbook that will last long and perform well, since I will be graduating this coming year and working in the field.
What is the difference between 2.2, 2.5 and 2.8GHz of processing speed? If it doesn't affect the longevity of the laptop that much, is it worth picking something other than 2.2?
This is a little off topic too, but would I be better off getting a refurbished version of all this, or sticking with a new model, knowing I get a $100 discount and free pair of Beats as a student?
MacBook Pro (13-inch Mid 2012), null