Comparison of MSI Radeon RX 5500 XT Mech 4G OC video card vs PowerColor Radeon RX 5700 XT Red Dragon video card by specifications and benchmarks. MSI Radeon RX 5500 XT Mech 4G OC runs at 1.647 GHz+ 2 % base clock speed and has 4 GB of GDDR6 memory, while video card PowerColor Radeon RX 5700 XT Red Dragon runs at 1.650 GHz+ 3 % base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 130 W, and the second is 225 W. Compare the table of benchmark results to find out which graphic card is better.