Comparison of ASRock Radeon RX 5600 XT Challenger D 6G OC video card vs MSI Radeon RX 6500 XT MECH 2X 4G video card by specifications and benchmarks. ASRock Radeon RX 5600 XT Challenger D 6G OC runs at 1.420 GHz+ 26 % base clock speed and has 6 GB of GDDR6 memory, while video card MSI Radeon RX 6500 XT MECH 2X 4G runs at 2.200 GHz base clock speed and has 4 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 107 W. Compare the table of benchmark results to find out which graphic card is better.