Comparison of ZOTAC GAMING GeForce GTX 1660 Ti AMP 6GB GDDR6 video card vs GIGABYTE GeForce RTX 3070 Vision OC 8G video card by specifications and benchmarks. ZOTAC GAMING GeForce GTX 1660 Ti AMP 6GB GDDR6 runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory, while video card GIGABYTE GeForce RTX 3070 Vision OC 8G runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 130 W+ 8 %, and the second is 240 W+ 9 %. Compare the table of benchmark results to find out which graphic card is better.