Comparison of PowerColor Hellhound Radeon RX 6600 video card vs MANLI GeForce GTX 1080 Ti Gallardo Super Overclocking (F372G+N473) 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 MANLI GeForce GTX 1080 Ti Gallardo Super Overclocking (F372G+N473) 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 250 W. Compare the table of benchmark results to find out which graphic card is better.