Comparison of ASRock Radeon RX 5500 XT Challenger ITX 8G video card vs KFA2 GeForce RTX 2080 SUPER EX (1-Click OC) video card by specifications and benchmarks. ASRock Radeon RX 5500 XT Challenger ITX 8G runs at 1.607 GHz base clock speed and has 8 GB of GDDR6 memory, while video card KFA2 GeForce RTX 2080 SUPER EX (1-Click OC) runs at 1.650 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 130 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.