Comparison of GIGABYTE GeForce GTX 1660 OC 6G video card vs MSI GeForce RTX 2080 Ti Gaming X Trio video card by specifications and benchmarks. GIGABYTE GeForce GTX 1660 OC 6G runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory, while video card MSI GeForce RTX 2080 Ti Gaming X Trio runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 120 W, and the second is 300 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.