Comparison of GIGABYTE Radeon RX 580 Gaming 4G MI video card vs EVGA GeForce GTX 1080 SC GAMING video card by specifications and benchmarks. GIGABYTE Radeon RX 580 Gaming 4G MI runs at 1.257 GHz base clock speed and has 4 GB of GDDR5 memory, while video card EVGA GeForce GTX 1080 SC GAMING runs at 1.708 GHz+ 6 % base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 185 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.