Comparison of ASRock Radeon RX 6600 XT Challenger Pro 8GB OC video card vs KFA2 GeForce RTX 3070 Ti EXG (1-Click OC) video card by specifications and benchmarks. ASRock Radeon RX 6600 XT Challenger Pro 8GB OC runs at 2.033 GHz+ 3 % base clock speed and has 8 GB of GDDR6 memory, while video card KFA2 GeForce RTX 3070 Ti EXG (1-Click OC) runs at 1.580 GHz base clock speed and has 8 GB of GDDR6X memory. The TDP of the first video card is 160 W, and the second is 290 W. Compare the table of benchmark results to find out which graphic card is better.