Comparison of PowerColor Radeon RX 6800 Red Devil video card vs ZOTAC GAMING GeForce RTX 3070 Ti AMP Extreme Holo video card by specifications and benchmarks. PowerColor Radeon RX 6800 Red Devil runs at 1.850 GHz+ 9 % base clock speed and has 16 GB of GDDR6 memory, while video card ZOTAC GAMING GeForce RTX 3070 Ti AMP Extreme Holo runs at 1.580 GHz base clock speed and has 8 GB of GDDR6X memory. The TDP of the first video card is 250 W, and the second is 310 W+ 7 %. Compare the table of benchmark results to find out which graphic card is better.