Comparison of KFA2 GeForce GTX 1660 video card vs Colorful iGame GeForce RTX 3080 Vulcan OC 12G LHR-V video card by specifications and benchmarks. KFA2 GeForce GTX 1660 runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory, while video card Colorful iGame GeForce RTX 3080 Vulcan OC 12G LHR-V 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 390 W+ 11 %. Compare the table of benchmark results to find out which graphic card is better.