Comparison of ASRock Radeon RX 5500 XT Challenger D 4G OC video card vs GIGABYTE GeForce GTX 1080 Ti Gaming OC 11G video card by specifications and benchmarks. ASRock Radeon RX 5500 XT Challenger D 4G OC runs at 1.685 GHz+ 5 % base clock speed and has 4 GB of GDDR6 memory, while video card GIGABYTE GeForce GTX 1080 Ti Gaming OC 11G runs at 1.518 GHz+ 3 % base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 130 W, and the second is 280 W+ 12 %. Compare the table of benchmark results to find out which graphic card is better.