Comparison of ZOTAC GAMING GeForce GTX 1660 Ti 6GB GDDR6 video card vs MSI GeForce RTX 2080 Duke 8G OC video card by specifications and benchmarks. ZOTAC GAMING GeForce GTX 1660 Ti 6GB GDDR6 runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory, while video card MSI GeForce RTX 2080 Duke 8G OC runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 120 W, and the second is 245 W+ 14 %. Compare the table of benchmark results to find out which graphic card is better.