Comparison of ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC video card vs ZOTAC GAMING GeForce RTX 3070 Ti Trinity OC video card by specifications and benchmarks. ASRock Radeon RX 6800 XT Phantom Gaming D 16G OC runs at 1.875 GHz+ 3 % base clock speed and has 16 GB of GDDR6 memory, while video card ZOTAC GAMING GeForce RTX 3070 Ti Trinity OC runs at 1.580 GHz base clock speed and has 8 GB of GDDR6X memory. The TDP of the first video card is 300 W, and the second is 310 W+ 7 %. Compare the table of benchmark results to find out which graphic card is better.