Comparison of PowerColor Hellhound Radeon RX 6600 XT video card vs MSI GeForce RTX 2060 GAMING Z 6G video card by specifications and benchmarks. PowerColor Hellhound Radeon RX 6600 XT runs at 1.968 GHz base clock speed and has 8 GB of GDDR6 memory, while video card MSI GeForce RTX 2060 GAMING Z 6G runs at 1.365 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 190 W+ 19 %. Compare the table of benchmark results to find out which graphic card is better.