Do you think it is better to invest in the Sapphire Nitro R9 380 4GB ($220) or the Asus Strix GTX 960 2GB ($206)? I really like the performance on the R9 380, but the GTX 960 consume a lot less power, and produce less heat. Will the R9 380 have an advantage with Directx 12? I'm on a tight budget, so I don't think I can afford the GTX 970.