Comparison of GIGABYTE Radeon RX 590 Gaming 8G video card vs Gainward GeForce GTX 1070 Ti Phoenix video card by specifications and benchmarks. GIGABYTE Radeon RX 590 Gaming 8G runs at 1.469 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 225 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.