Comparison of Colorful iGame GeForce GTX 1070 SI-8G-V video card vs MSI GeForce GTX 1660 SUPER AERO ITX video card by specifications and benchmarks. Colorful iGame GeForce GTX 1070 SI-8G-V runs at 1.506 GHz base clock speed and has 8 GB of GDDR5 memory, while video card MSI GeForce GTX 1660 SUPER AERO ITX runs at 1.530 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 125 W. Compare the table of benchmark results to find out which graphic card is better.