Comparison of ZOTAC GAMING GeForce GTX 1650 AMP video card vs KFA2 GeForce GTX 1660 (1-Click OC) video card by specifications and benchmarks. ZOTAC GAMING GeForce GTX 1650 AMP runs at 1.485 GHz base clock speed and has 4 GB of GDDR5 memory, while video card KFA2 GeForce GTX 1660 (1-Click OC) runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 75 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.