Comparison of ZOTAC GeForce GTX 1080 Ti AMP Edition video card vs MANLI GeForce GTX 1660 Gallardo (M2436+N549-00) video card by specifications and benchmarks. ZOTAC GeForce GTX 1080 Ti AMP Edition runs at 1.569 GHz+ 6 % base clock speed and has 11 GB of GDDR5X memory, while video card MANLI GeForce GTX 1660 Gallardo (M2436+N549-00) runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 270 W+ 8 %, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.