Comparison of Sapphire Pulse Radeon RX 5700 XT 8G video card vs MSI Radeon RX 6600 XT GAMING X 8G video card by specifications and benchmarks. Sapphire Pulse Radeon RX 5700 XT 8G runs at 1.670 GHz+ 4 % base clock speed and has 8 GB of GDDR6 memory, while video card MSI Radeon RX 6600 XT GAMING X 8G runs at 1.968 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 235 W+ 4 %, and the second is 160 W. Compare the table of benchmark results to find out which graphic card is better.