Comparison of ASRock Radeon RX 5500 XT Challenger D 8G OC video card vs ASUS Phoenix GeForce GTX 1660 SUPER OC video card by specifications and benchmarks. ASRock Radeon RX 5500 XT Challenger D 8G OC runs at 1.685 GHz+ 5 % base clock speed and has 8 GB of GDDR6 memory, while video card ASUS Phoenix GeForce GTX 1660 SUPER OC runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 130 W, and the second is 125 W. Compare the table of benchmark results to find out which graphic card is better.