Comparison of PowerColor Fighter Radeon RX 6600 XT video card vs EVGA GeForce RTX 3080 12GB XC3 ULTRA GAMING video card by specifications and benchmarks. PowerColor Fighter Radeon RX 6600 XT runs at 1.968 GHz base clock speed and has 8 GB of GDDR6 memory, while video card EVGA GeForce RTX 3080 12GB XC3 ULTRA GAMING runs at 1.260 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 160 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.