Comparison of GIGABYTE Radeon RX 570 Gaming 4G video card vs GALAX GeForce GTX 1080 EX OC video card by specifications and benchmarks. GIGABYTE Radeon RX 570 Gaming 4G runs at 1.178 GHz+ 1 % base clock speed and has 4 GB of GDDR5 memory, while video card GALAX GeForce GTX 1080 EX OC runs at 1.657 GHz+ 3 % base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 150 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.