Comparison of Colorful GeForce GTX 1660 Ti SI 6G-V video card vs KFA2 GeForce RTX 2070 SUPER Work The Frames Edition 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 KFA2 GeForce RTX 2070 SUPER Work The Frames Edition runs at 1.605 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 120 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.