Comparison of MSI Radeon RX 5500 XT Mech 4G OC video card vs Sapphire Nitro+ Radeon RX Vega 64 LE 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 Sapphire Nitro+ Radeon RX Vega 64 LE runs at 1.423 GHz+ 14 % base clock speed and has 8 GB of HBM2 memory. The TDP of the first video card is 130 W, and the second is 295 W. Compare the table of benchmark results to find out which graphic card is better.