Comparison of Sapphire Pulse Radeon RX 570 8GD5 video card vs KFA2 GeForce RTX 2080 EX (1-Click OC) video card by specifications and benchmarks. Sapphire Pulse Radeon RX 570 8GD5 runs at 1.168 GHz base clock speed and has 8 GB of GDDR5 memory, while video card KFA2 GeForce RTX 2080 EX (1-Click OC) runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 150 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.