Comparison of Colorful GeForce GTX 1660 Ti SI 6G-V video card vs Gainward GeForce RTX 3060 Ghost OC video card by specifications and benchmarks. Colorful GeForce GTX 1660 Ti SI 6G-V runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory, while video card Gainward GeForce RTX 3060 Ghost OC runs at 1.320 GHz base clock speed and has 12 GB of GDDR6 memory. The TDP of the first video card is 120 W, and the second is 180 W+ 6 %. Compare the table of benchmark results to find out which graphic card is better.