Comparison of MSI GeForce GTX 1060 3GT OCV2 video card vs MSI GeForce GTX 1660 AERO ITX 6G video card by specifications and benchmarks. MSI GeForce GTX 1060 3GT OCV2 runs at 1.544 GHz+ 3 % base clock speed and has 3 GB of GDDR5 memory, while video card MSI GeForce GTX 1660 AERO ITX 6G runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 120 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.