Comparison of ZOTAC GeForce GT 1030 Zone Edition video card vs GIGABYTE GeForce GTX 1660 OC 6G video card by specifications and benchmarks. ZOTAC GeForce GT 1030 Zone Edition runs at 1.227 GHz base clock speed and has 2 GB of GDDR5 memory, while video card GIGABYTE GeForce GTX 1660 OC 6G runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 30 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.