Comparison of Sapphire Pulse Radeon RX 5500 XT SF 8G video card vs KFA2 GeForce GTX 1070 Ti EX 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 GTX 1070 Ti EX runs at 1.607 GHz base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 135 W+ 4 %, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.