Comparison of MSI GeForce GTX 1660 TI VENTUS 6G video card vs ZOTAC GAMING GeForce RTX 2080 AMP Extreme video card by specifications and benchmarks. MSI GeForce GTX 1660 TI VENTUS 6G runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory, while video card ZOTAC GAMING GeForce RTX 2080 AMP Extreme 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 280 W+ 30 %. Compare the table of benchmark results to find out which graphic card is better.