Comparison of PowerColor Hellhound Radeon RX 6600 XT video card vs GIGABYTE GeForce RTX 3060 Ti Eagle OC 8G (rev. 2.0) LHR 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 GIGABYTE GeForce RTX 3060 Ti Eagle OC 8G (rev. 2.0) LHR runs at 1.410 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 160 W, and the second is 200 W. Compare the table of benchmark results to find out which graphic card is better.