Comparison of ASRock Radeon RX 5600 XT Challenger Pro 6G OC video card vs Colorful iGame GeForce GTX 1080 Ti Vulcan X OC-V video card by specifications and benchmarks. ASRock Radeon RX 5600 XT Challenger Pro 6G OC runs at 1.420 GHz+ 26 % base clock speed and has 6 GB of GDDR6 memory, while video card Colorful iGame GeForce GTX 1080 Ti Vulcan X OC-V runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 160 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.