Comparison of KFA2 GeForce GTX 1080 Ti EX OC video card vs ASRock Radeon RX 6750 XT Challenger Pro 12GB OC video card by specifications and benchmarks. KFA2 GeForce GTX 1080 Ti EX OC runs at 1.531 GHz+ 3 % base clock speed and has 11 GB of GDDR5X memory, while video card ASRock Radeon RX 6750 XT Challenger Pro 12GB OC runs at 2.235 GHz+ 2 % base clock speed and has 12 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.