Comparison of PowerColor Radeon RX 6800 XT video card vs ZOTAC GAMING GeForce RTX 3060 Twin Edge OC video card by specifications and benchmarks. PowerColor Radeon RX 6800 XT runs at 1.825 GHz base clock speed and has 16 GB of GDDR6 memory, while video card ZOTAC GAMING GeForce RTX 3060 Twin Edge OC runs at 1.320 GHz base clock speed and has 12 GB of GDDR6 memory. The TDP of the first video card is 300 W, and the second is 170 W. Compare the table of benchmark results to find out which graphic card is better.