Comparison of ZOTAC GAMING GeForce RTX 2080 AMP Extreme video card vs GALAX GeForce RTX 3080 SG (1-Click OC) LHR video card by specifications and benchmarks. ZOTAC GAMING GeForce RTX 2080 AMP Extreme runs at 1.515 GHz base clock speed and has 8 GB of GDDR6 memory, while video card GALAX GeForce RTX 3080 SG (1-Click OC) LHR runs at 1.440 GHz base clock speed and has 10 GB of GDDR6X memory. The TDP of the first video card is 280 W+ 30 %, and the second is 320 W. Compare the table of benchmark results to find out which graphic card is better.