Comparison of Sapphire Pulse Radeon RX 5500 XT SF 8G video card vs KFA2 GeForce RTX 3080 12GB SG (1-Click OC) LHR video card by specifications and benchmarks. Sapphire Pulse Radeon RX 5500 XT SF 8G runs at 1.607 GHz base clock speed and has 8 GB of GDDR6 memory, while video card KFA2 GeForce RTX 3080 12GB SG (1-Click OC) LHR runs at 1.260 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 135 W+ 4 %, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.