Comparison of ZOTAC GeForce GTX 1080 AMP Extreme video card vs Manli GeForce RTX 3080 Gallardo (M3478) video card by specifications and benchmarks. ZOTAC GeForce GTX 1080 AMP Extreme runs at 1.771 GHz+ 10 % base clock speed and has 8 GB of GDDR5X memory, while video card Manli GeForce RTX 3080 Gallardo (M3478) 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+ 50 %, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.