Comparison of ZOTAC GAMING GeForce GTX 1660 Ti AMP 6GB GDDR6 video card vs GALAX GeForce RTX 2080 Ti Dual Black (1-Click OC) video card by specifications and benchmarks. ZOTAC GAMING GeForce GTX 1660 Ti AMP 6GB GDDR6 runs at 1.500 GHz base clock speed and has 6 GB of GDDR6 memory, while video card GALAX GeForce RTX 2080 Ti Dual Black (1-Click OC) runs at 1.350 GHz base clock speed and has 11 GB of GDDR6 memory. The TDP of the first video card is 130 W+ 8 %, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.