Comparison of ZOTAC GeForce GTX 1080 AMP Extreme video card vs Palit GeForce GTX 1650 KalmX video card by specifications and benchmarks. ZOTAC GeForce GTX 1080 AMP Extreme runs at 1.771 GHz+ 10 % base clock speed and has 8 GB of GDDR5X memory, while video card Palit GeForce GTX 1650 KalmX runs at 1.485 GHz base clock speed and has 4 GB of GDDR5 memory. The TDP of the first video card is 270 W+ 50 %, and the second is 75 W. Compare the table of benchmark results to find out which graphic card is better.