Comparison of PowerColor Hellhound Radeon RX 6600 video card vs GIGABYTE AORUS GeForce RTX 2080 8G 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 GIGABYTE AORUS GeForce RTX 2080 8G runs at 1.515 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 215 W. Compare the table of benchmark results to find out which graphic card is better.