Comparison of ASUS TUF Gaming GeForce GTX 1660 video card vs MSI GeForce RTX 3090 Suprim X 24G 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 MSI GeForce RTX 3090 Suprim X 24G 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.