Comparison of ASUS Dual Radeon RX 6600 XT OC video card vs KFA2 GeForce RTX 3080 EX Gamer (1-Click OC) video card by specifications and benchmarks. ASUS Dual Radeon RX 6600 XT OC runs at 2.000 GHz+ 2 % base clock speed and has 8 GB of GDDR6 memory, while video card KFA2 GeForce RTX 3080 EX Gamer (1-Click OC) runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 160 W, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.