Comparison of GIGABYTE GeForce GTX 1660 GAMING OC 6G video card vs GIGABYTE AORUS GeForce RTX 3090 XTREME 24G video card by specifications and benchmarks. GIGABYTE GeForce GTX 1660 GAMING OC 6G runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory, while video card GIGABYTE AORUS GeForce RTX 3090 XTREME 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 400 W+ 14 %. Compare the table of benchmark results to find out which graphic card is better.