Comparison of ZOTAC GAMING GeForce RTX 2080 AMP video card vs GALAX GeForce RTX 3080 Ti SG (1-Click OC) video card by specifications and benchmarks. ZOTAC GAMING GeForce RTX 2080 AMP runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory, while video card GALAX GeForce RTX 3080 Ti SG (1-Click OC) runs at 1.365 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 225 W+ 5 %, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.