Comparison of ZOTAC GeForce GTX 1080 IceStorm 2X video card vs GALAX GeForce RTX 3070 SG (1-Click OC) video card by specifications and benchmarks. ZOTAC GeForce GTX 1080 IceStorm 2X runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory, while video card GALAX GeForce RTX 3070 SG (1-Click OC) runs at 1.500 GHz base clock speed and has 8 GB of GDDR6 memory. The TDP of the first video card is 230 W+ 28 %, and the second is 220 W. Compare the table of benchmark results to find out which graphic card is better.