Comparison of ASUS TUF Gaming GeForce GTX 1660 video card vs KFA2 GeForce RTX 3080 12GB SG (1-Click OC) LHR video card by specifications and benchmarks. ASUS TUF Gaming GeForce GTX 1660 runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory, while video card KFA2 GeForce RTX 3080 12GB SG (1-Click OC) LHR runs at 1.260 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 120 W, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.