Comparison of ASRock Radeon RX 6800 Phantom Gaming D 16G OC video card vs ZOTAC GAMING GeForce RTX 2070 AMP Extreme Core video card by specifications and benchmarks. ASRock Radeon RX 6800 Phantom Gaming D 16G OC runs at 1.850 GHz+ 9 % base clock speed and has 16 GB of GDDR6 memory, while video card ZOTAC GAMING GeForce RTX 2070 AMP Extreme Core runs at 1.410 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 250 W, and the second is 225 W+ 29 %. Compare the table of benchmark results to find out which graphic card is better.