Comparison of PowerColor Red Devil Radeon RX 6800 XT video card vs Zotac GAMING GeForce RTX 3080 Trinity LHR 12GB video card by specifications and benchmarks. PowerColor Red Devil Radeon RX 6800 XT runs at 1.900 GHz+ 4 % base clock speed and has 16 GB of GDDR6 memory, while video card Zotac GAMING GeForce RTX 3080 Trinity LHR 12GB runs at 1.260 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 300 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.