Comparison of KFA2 GeForce GTX 980 Ti HOF Watercooled video card vs Sapphire Nitro+ Radeon RX 6800 video card by specifications and benchmarks. KFA2 GeForce GTX 980 Ti HOF Watercooled runs at 1.203 GHz+ 20 % base clock speed and has 6 GB of GDDR5 memory, while video card Sapphire Nitro+ Radeon RX 6800 runs at 1.850 GHz+ 9 % base clock speed and has 16 GB of GDDR6 memory. The TDP of the first video card is 250 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.