Comparison of ASRock Radeon RX 6750 XT Challenger Pro 12GB OC video card vs Colorful iGame GeForce RTX 2080 Ti Vulcan X OC-V video card by specs and benchmarks. 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, while video card Colorful iGame GeForce RTX 2080 Ti Vulcan X OC-V runs at 2.235 GHz+ 2 % base clock speed and has 11 GB of GDDR6 memory. The weight is different, 890 g vs 1400 g. 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.