Comparison of MSI Radeon RX 5500 XT Gaming X 4G video card vs MSI Radeon RX 5500 XT Mech 8G video card by specs and benchmarks. MSI Radeon RX 5500 XT Gaming X 4G runs at 1.685 GHz+ 5 % base clock speed and has 4 GB of GDDR6 memory, while video card MSI Radeon RX 5500 XT Mech 8G runs at 1.685 GHz+ 5 % base clock speed and has 8 GB of GDDR6 memory. The weight is different, 869 g vs 705 g. The TDP of the first video card is 130 W, and the second is 130 W . Compare the benchmark results to find out which video card is better.