Comparison of ZOTAC GeForce GTX 1080 Ti AMP Edition video card vs Gainward GeForce RTX 3070 Phoenix 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 Gainward GeForce RTX 3070 Phoenix runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 270 W+ 8 %, and the second is 220 W. Compare the table of benchmark results to find out which graphic card is better.