Comparison of KFA2 GeForce RTX 2080 Ti EX video card vs AMD Radeon RX 7800 XT video card by specifications and benchmarks. KFA2 GeForce RTX 2080 Ti EX runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory, while video card AMD Radeon RX 7800 XT runs at 1.800 GHz 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.