Comparison of GIGABYTE GeForce GTX 1660 SUPER GAMING 6G video card vs KFA2 GeForce RTX 3090 HOF Limited Edition video card by specifications and benchmarks. GIGABYTE GeForce GTX 1660 SUPER GAMING 6G runs at 1.530 GHz base clock speed and has 6 GB of GDDR6 memory, while video card KFA2 GeForce RTX 3090 HOF Limited Edition runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The TDP of the first video card is 125 W, and the second is 420 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.