Comparison of PowerColor Hellhound Radeon RX 6700 XT video card vs GIGABYTE GeForce GTX 1080 Ti Gaming 11G 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 GIGABYTE GeForce GTX 1080 Ti Gaming 11G runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 230 W, and the second is 280 W+ 12 %. Compare the table of benchmark results to find out which graphic card is better.