Comparison of PowerColor Hellhound Radeon RX 6700 XT video card vs KFA2 GeForce RTX 3080 Ti HOF Premium video card by specifications and benchmarks. PowerColor Hellhound Radeon RX 6700 XT runs at 2.321 GHz base clock speed and has 12 GB of GDDR6 memory, while video card KFA2 GeForce RTX 3080 Ti HOF Premium runs at 1.365 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 230 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.