Comparison of PowerColor Hellhound Radeon RX 6700 XT video card vs ZOTAC GAMING GeForce RTX 3070 Ti AMP Extreme Holo video card by specifications and benchmarks. PowerColor Hellhound Radeon RX 6700 XT runs at 2.321 GHz base clock speed and has 12 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 230 W, and the second is 310 W+ 7 %. Compare the table of benchmark results to find out which graphic card is better.