The first thing i'm looking for is the fan who's the most quiet. I hate to hear sounds from my computer. The PC is in my bedroom and when I sleep I don't want to hear anything Beside that, I'd like the one with the best performance cause i'm not looking to OC it... but you never know
In brackets, I put the core clock and the memory clock as it seems to be important specs to look at when buying a graphic card. They pretty much has the same price so the price is less important... but still a factor.