Comparison of XFX Radeon RX 6700 XT video card vs KFA2 GeForce GTX 1080 video card by specifications and benchmarks. XFX Radeon RX 6700 XT runs at 2.330 GHz base clock speed and has 12 GB of GDDR6 memory, while video card KFA2 GeForce GTX 1080 runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 230 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.