Comparison of Sapphire Pulse Radeon RX 5500 XT 8G video card vs KFA2 GeForce GTX 1080 Ti EX OC video card by specifications and benchmarks. Sapphire Pulse Radeon RX 5500 XT 8G runs at 1.607 GHz base clock speed and has 8 GB of GDDR6 memory, while video card KFA2 GeForce GTX 1080 Ti EX OC runs at 1.531 GHz+ 3 % base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 135 W+ 4 %, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.