Comparison of PowerColor Hellhound Radeon RX 6600 video card vs Gainward GeForce RTX 3060 Ti Phoenix V1 LHR video card by specifications and benchmarks. PowerColor Hellhound Radeon RX 6600 runs at 1.626 GHz base clock speed and has 8 GB of GDDR6 memory, while video card Gainward GeForce RTX 3060 Ti Phoenix V1 LHR runs at 1.410 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 132 W, and the second is 220 W+ 10 %. Compare the table of benchmark results to find out which graphic card is better.