Comparison of MSI Radeon RX 580 Gaming X+ 8G video card vs Gainward GeForce GTX 1070 Ti Phoenix video card by specifications and benchmarks. MSI Radeon RX 580 Gaming X+ 8G runs at 1.257 GHz base clock speed and has 8 GB of GDDR5 memory, while video card Gainward GeForce GTX 1070 Ti Phoenix runs at 1.607 GHz base clock speed and has 8 GB of GDDR5 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.