Comparison of GIGABYTE GeForce GTX 1660 SUPER D6 6G video card vs NVIDIA GeForce RTX 2070 Super Founders Edition video card by specifications and benchmarks. GIGABYTE GeForce GTX 1660 SUPER D6 6G runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory, while video card NVIDIA GeForce RTX 2070 Super Founders Edition runs at 1.605 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 125 W, and the second is 215 W. Compare the table of benchmark results to find out which graphic card is better.