Comparison of PowerColor Hellhound Radeon RX 6600 video card vs GIGABYTE AORUS GeForce GTX 1080 Ti Waterforce Xtreme Edition 11G (rev. 1.0/1.1) 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 GTX 1080 Ti Waterforce Xtreme Edition 11G (rev. 1.0/1.1) runs at 1.607 GHz+ 9 % base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 132 W, and the second is 280 W+ 12 %. Compare the table of benchmark results to find out which graphic card is better.