Comparison of GIGABYTE Radeon RX 580 Gaming 8G MI video card vs MSI GeForce RTX 2080 Sea Hawk X video card by specifications and benchmarks. GIGABYTE Radeon RX 580 Gaming 8G MI runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory, while video card MSI GeForce RTX 2080 Sea Hawk X 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 245 W+ 14 %. Compare the table of benchmark results to find out which graphic card is better.