Comparison of ZOTAC GeForce GTX 1070 video card vs KFA2 GeForce RTX 3070 (1-Click OC) video card by specifications and benchmarks. ZOTAC GeForce GTX 1070 runs at 1.506 GHz base clock speed and has 8 GB of GDDR5 memory, while video card KFA2 GeForce RTX 3070 (1-Click OC) runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 220 W+ 47 %, and the second is 220 W. Compare the table of benchmark results to find out which graphic card is better.