Comparison of PowerColor Radeon RX 6800 video card vs ZOTAC Gaming GeForce RTX 3080 AMP Holo LHR video card by specifications and benchmarks. PowerColor Radeon RX 6800 runs at 1.700 GHz base clock speed and has 16 GB of GDDR6 memory, while video card ZOTAC Gaming GeForce RTX 3080 AMP Holo LHR runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 250 W, and the second is 340 W+ 6 %. Compare the table of benchmark results to find out which graphic card is better.