Instead of the 7750, get an R7 card. I don't know which one, because, frankly, I only memorized half of the new nomenclature, but whichever one fits. Lower power consumption, and some ever-so-slightly improved speed, at the same price as their HD7000/HD8000 equivalents.
in a perfect world we would all be piles of sand with no ability to form coherent bodies of body