Comparison of ZOTAC GeForce GTX 1070 Founders Edition video card vs KFA2 GeForce RTX 2060 video card by specifications and benchmarks. ZOTAC GeForce GTX 1070 Founders Edition runs at 1.506 GHz base clock speed and has 8 GB of GDDR5 memory, while video card KFA2 GeForce RTX 2060 runs at 1.365 GHz base clock speed and has 6 GB of GDDR6 memory. The TDP of the first video card is 150 W, and the second is 160 W. Compare the table of benchmark results to find out which graphic card is better.