Comparison of Sapphire Nitro+ Radeon RX 5700 XT BE 8G video card vs MSI Radeon RX 6900 XT 16G video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX 5700 XT BE 8G runs at 1.730 GHz+ 8 % base clock speed and has 8 GB of GDDR6 memory, while video card MSI Radeon RX 6900 XT 16G runs at 1.825 GHz base clock speed and has 16 GB of GDDR6 memory. The TDP of the first video card is 265 W+ 18 %, and the second is 300 W. Compare the table of benchmark results to find out which graphic card is better.