Comparison of ZOTAC GeForce GTX 1080 Ti AMP Edition video card vs GALAX GeForce RTX 3080 SG (1-Click OC) 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 GALAX GeForce RTX 3080 SG (1-Click OC) runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 270 W+ 8 %, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.