Comparison of PowerColor Fighter Radeon RX 6600 video card vs Gainward GeForce RTX 3060 Pegasus OC 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 Gainward GeForce RTX 3060 Pegasus OC runs at 1.320 GHz base clock speed and has 12 GB of GDDR6 memory. The TDP of the first video card is 132 W, and the second is 170 W. Compare the table of benchmark results to find out which graphic card is better.