Comparison of PowerColor Hellhound Radeon RX 6600 XT video card vs PNY GeForce RTX 2060 6GB XLR8 Gaming OC Edition (Twin Fan) 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 PNY GeForce RTX 2060 6GB XLR8 Gaming OC Edition (Twin Fan) 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.