Comparison of ZOTAC GeForce GTX 1080 Ti AMP Extreme video card vs KFA2 GeForce GTX 1650 EX (1-Click OC) video card by specifications and benchmarks. ZOTAC GeForce GTX 1080 Ti AMP Extreme runs at 1.645 GHz+ 11 % base clock speed and has 11 GB of GDDR5X memory, while video card KFA2 GeForce GTX 1650 EX (1-Click OC) runs at 1.485 GHz base clock speed and has 4 GB of GDDR5 memory. The TDP of the first video card is 320 W+ 28 %, and the second is 75 W. Compare the table of benchmark results to find out which graphic card is better.