Comparison of GIGABYTE Radeon RX 590 Gaming 8G video card vs Gainward GeForce RTX 2080 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 RTX 2080 Ti Phoenix runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 225 W, and the second is 260 W+ 4 %. Compare the table of benchmark results to find out which graphic card is better.