Comparison of MSI Radeon RX 570 Mech 2 8G OC video card vs SAPPHIRE PULSE AMD Radeon RX 6500 XT video card by specifications and benchmarks. MSI Radeon RX 570 Mech 2 8G OC runs at 1.178 GHz+ 1 % base clock speed and has 8 GB of GDDR5 memory, while video card SAPPHIRE PULSE AMD Radeon RX 6500 XT runs at 2.200 GHz base clock speed and has 4 GB of GDDR6 memory. The TDP of the first video card is 150 W, and the second is 130 W+ 21 %. Compare the table of benchmark results to find out which graphic card is better.