Comparison of MSI Radeon RX 580 Gaming X 4G video card vs GIGABYTE GeForce RTX 2080 Gaming OC 8G video card by specifications and benchmarks. MSI Radeon RX 580 Gaming X 4G runs at 1.257 GHz base clock speed and has 4 GB of GDDR5 memory, while video card GIGABYTE GeForce RTX 2080 Gaming OC 8G runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 185 W, and the second is 225 W+ 5 %. Compare the table of benchmark results to find out which graphic card is better.