Comparison of GIGABYTE GeForce GTX 1660 SUPER D6 6G video card vs MANLI GeForce RTX 2080 SUPER Gallardo with customized LED Lights (M3442+N502-00) 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 MANLI GeForce RTX 2080 SUPER Gallardo with customized LED Lights (M3442+N502-00) 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.