Comparison of ASUS Dual GeForce GTX 1660 TI video card vs GIGABYTE GeForce RTX 3080 Ti Eagle 12G video card by specifications and benchmarks. ASUS Dual GeForce GTX 1660 TI runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory, while video card GIGABYTE GeForce RTX 3080 Ti Eagle 12G runs at 1.365 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 350 W. Compare the table of benchmark results to find out which graphic card is better.