Comparison of INNO3D GeForce GTX 1660 TWIN X2 OC RGB video card vs KFA2 GeForce RTX 3090 HOF video card by specifications and benchmarks. INNO3D GeForce GTX 1660 TWIN X2 OC RGB runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory, while video card KFA2 GeForce RTX 3090 HOF runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The TDP of the first video card is 120 W, and the second is 420 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.