Comparison of ASRock Radeon RX 6700 XT Challenger Pro 12GB OC video card vs KFA2 GeForce GTX 1070 Ti Red Edition video card by specifications and benchmarks. ASRock Radeon RX 6700 XT Challenger Pro 12GB OC runs at 2.375 GHz+ 2 % base clock speed and has 12 GB of GDDR6 memory, while video card KFA2 GeForce GTX 1070 Ti Red Edition runs at 1.607 GHz base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 230 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.