Comparison of ZOTAC GeForce GTX 1080 Ti AMP Extreme video card vs GALAX GeForce RTX 3080 Ti HOF Premium 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 GALAX GeForce RTX 3080 Ti HOF Premium runs at 1.365 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 320 W+ 28 %, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.