Our evaluation of the GIGABYTE R9 290X OC and ASUS GTX 780 Ti DCUII pits two heavy hitters against one another to see who comes out on top.

Today we look at the GIGABYTE R9 290X 4GB OC and ASUS GeForce GTX 780 Ti DirectCU II OC video cards. Each of these video cards features a custom cooling system, and a factory overclock. We will push the overclock farther and put these two video cards head-to-head for a high-end performance comparison.