Comparison of Sapphire Pulse Radeon RX 6800 video card vs ZOTAC GeForce GTX 1070 Ti Mini video card by specifications and benchmarks. Sapphire Pulse Radeon RX 6800 runs at 1.800 GHz+ 6 % base clock speed and has 16 GB of GDDR6 memory, while video card ZOTAC GeForce GTX 1070 Ti Mini runs at 1.607 GHz base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 250 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.