Many people say that CPU is the biggest thing that is designed for PC. After all, CPU is called as the brain of the computer. But it has to be understood that CPU is incomplete without graphic cards. It should be noted that graphic card quality of content as well as image that you see on your system. If you are confused when buying graphic card 970 vs 1060, the most important factor to consider the quality of the image.
http://reviews.mysteryblock.com/gtx-970-vs-gtx-1060/