Comparison of ASRock Radeon RX 6600 XT Challenger Pro 8GB OC video card vs KFA2 GeForce RTX 2060 Mini (1-Click OC) video card by specs 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 2060 Mini (1-Click OC) runs at 2.033 GHz+ 3 % base clock speed and has 6 GB of GDDR6 memory. The weight is different, 834 g vs --. The TDP of the first video card is 160 W, and the second is 160 W . Compare the benchmark results to find out which video card is better.