Comparison of ZOTAC GeForce GTX 1070 Twin Fan video card vs MSI GeForce GTX 1080 Ti LIGHTNING Z 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 MSI GeForce GTX 1080 Ti LIGHTNING Z runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 220 W+ 47 %, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.