Comparison of Sapphire Nitro+ Radeon RX 6800 video card vs ZOTAC GeForce GTX 1070 OEM V2 video card by specifications and benchmarks. Sapphire Nitro+ Radeon RX 6800 runs at 1.850 GHz+ 9 % base clock speed and has 16 GB of GDDR6 memory, while video card ZOTAC GeForce GTX 1070 OEM V2 runs at 1.506 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 150 W. Compare the table of benchmark results to find out which graphic card is better.