Comparison of ASRock Radeon RX 6800 XT Taichi X 16G OC video card vs ZOTAC GeForce GTX 1070 video card by specifications and benchmarks. ASRock Radeon RX 6800 XT Taichi X 16G OC runs at 1.925 GHz+ 5 % base clock speed and has 16 GB of GDDR6 memory, while video card ZOTAC GeForce GTX 1070 runs at 1.506 GHz base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 300 W, and the second is 220 W+ 47 %. Compare the table of benchmark results to find out which graphic card is better.