Comparison of MSI Radeon RX 6600 XT MECH 2X 8G OCV1 video card vs PNY RTX A5500 video card by specifications and benchmarks. MSI Radeon RX 6600 XT MECH 2X 8G OCV1 runs at 1.968 GHz base clock speed and has 8 GB of GDDR6 memory, while video card PNY RTX A5500 runs at 1.170 GHz base clock speed and has 24 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 230 W. Compare the table of benchmark results to find out which graphic card is better.