Comparison of Gainward GeForce GTX 1660 TI Ghost video card vs Colorful iGame GeForce RTX 3090 Neptune OC-V video card by specifications and benchmarks. Gainward GeForce GTX 1660 TI Ghost runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory, while video card Colorful iGame GeForce RTX 3090 Neptune OC-V 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 370 W+ 6 %. Compare the table of benchmark results to find out which graphic card is better.