Comparison of ZOTAC GeForce GTX 1070 Twin Fan video card vs ASUS Dual GeForce RTX 3070 SI Edition video card by specifications and benchmarks. ZOTAC GeForce GTX 1070 Twin Fan runs at 1.506 GHz base clock speed and has 8 GB of GDDR5 memory, while video card ASUS Dual GeForce RTX 3070 SI Edition 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.