Comparison of GIGABYTE Radeon RX 6800 video card vs KFA2 GeForce GTX 1080 video card by specifications and benchmarks. GIGABYTE Radeon RX 6800 runs at 1.700 GHz base clock speed and has 16 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 250 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.