Comparison of Gainward GeForce GTX 1070 Founders Edition video card vs ZOTAC GeForce GTX 1070 Ti AMP Edition video card by specifications and benchmarks. Gainward GeForce GTX 1070 Founders Edition runs at 1.506 GHz base clock speed and has 8 GB of GDDR5 memory, while video card ZOTAC GeForce GTX 1070 Ti AMP Edition runs at 1.607 GHz base clock speed and has 8 GB of GDDR5 memory. The TDP of the first video card is 150 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.