Comparison of PowerColor Red Devil Radeon RX 6750 XT 12GB video card vs KFA2 GeForce GTX 1080 Ti EX OC White video card by specs and benchmarks. PowerColor Red Devil Radeon RX 6750 XT 12GB runs at 2.200 GHz base clock speed and has 12 GB of GDDR6 memory, while video card KFA2 GeForce GTX 1080 Ti EX OC White runs at 2.200 GHz base clock speed and has 11 GB of GDDR5X memory. The weight is different, -- vs --. The TDP of the first video card is 250 W, and the second is 250 W . Compare the benchmark results to find out which video card is better.