Comparison of PowerColor Hellhound Radeon RX 6700 XT video card vs Gainward GeForce GTX 1080 Phoenix GS video card by specifications and benchmarks. PowerColor Hellhound Radeon RX 6700 XT runs at 2.321 GHz base clock speed and has 12 GB of GDDR6 memory, while video card Gainward GeForce GTX 1080 Phoenix GS runs at 1.708 GHz+ 6 % base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 230 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.