Comparison of PowerColor Fighter Radeon RX 6600 video card vs GIGABYTE GeForce RTX 2080 Gaming OC White 8G video card by specifications and benchmarks. PowerColor Fighter Radeon RX 6600 runs at 1.626 GHz base clock speed and has 8 GB of GDDR6 memory, while video card GIGABYTE GeForce RTX 2080 Gaming OC White 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 225 W+ 5 %. Compare the table of benchmark results to find out which graphic card is better.