Comparison of XFX Speedster MERC 308 Radeon RX 6650 XT BLACK Gaming video card vs MSI Radeon RX 6650 XT GAMING X 8G video card by specifications and benchmarks. XFX Speedster MERC 308 Radeon RX 6650 XT BLACK Gaming runs at 2.192 GHz+ 7 % base clock speed and has 8 GB of GDDR6 memory, while video card MSI Radeon RX 6650 XT GAMING X 8G runs at 2.055 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 175 W-1 %, and the second is 175 W-1 %. Compare the table of benchmark results to find out which graphic card is better.