Comparison of ZOTAC GeForce GTX 1080 AMP Edition video card vs GIGABYTE GeForce GTX 1080 G1 ROCK 8G video card by specifications and benchmarks. ZOTAC GeForce GTX 1080 AMP Edition runs at 1.683 GHz+ 5 % base clock speed and has 8 GB of GDDR5X memory, while video card GIGABYTE GeForce GTX 1080 G1 ROCK 8G runs at 1.632 GHz+ 2 % base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 230 W+ 28 %, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.