Comparison of ZOTAC GeForce GTX 1080 Ti AMP Edition video card vs ZOTAC Gaming GeForce RTX 3090 AMP Extreme Holo 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 ZOTAC Gaming GeForce RTX 3090 AMP Extreme Holo runs at 1.395 GHz base clock speed and has 24 GB of GDDR6X memory. The TDP of the first video card is 270 W+ 8 %, and the second is 420 W+ 20 %. Compare the table of benchmark results to find out which graphic card is better.