Msi ab is probably the best due to its on screen overlay. I'd say run your card for a bit to get an idea of how it works. When you feel up to it slowly increase core and mem clock values. These will be minimal increases plus one hundred for example. Your gains in performance will come from increasing power target. Be aware it will suck power like nobodys business, the nitro has a great cooler so temps shouldn't be an issue. Increasing voltage has had little affect for me with the nitro card. Keep in mind people are reporting better clock speeds by under volting and underclocking but I haven't had success with that