Comparison of GIGABYTE GeForce GTX 1660 SUPER OC 6G video card vs GIGABYTE GeForce RTX 2080 SUPER Gaming OC White 8G video card by specifications and benchmarks. GIGABYTE GeForce GTX 1660 SUPER OC 6G runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory, while video card GIGABYTE GeForce RTX 2080 SUPER Gaming OC White 8G runs at 1.650 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 250 W. Compare the table of benchmark results to find out which graphic card is better.