Comparison of ZOTAC GeForce GTX 1070 video card vs GALAX GeForce RTX 3080 12GB SG (1-Click OC) LHR video card by specifications and benchmarks. ZOTAC GeForce GTX 1070 runs at 1.506 GHz base clock speed and has 8 GB of GDDR5 memory, while video card GALAX GeForce RTX 3080 12GB SG (1-Click OC) LHR runs at 1.260 GHz base clock speed and has 12 GB of GDDR6X memory. The TDP of the first video card is 220 W+ 47 %, and the second is 350 W. Compare the table of benchmark results to find out which graphic card is better.