Comparison of ZOTAC GeForce GTX 1080 IceStorm 2X video card vs GIGABYTE GeForce RTX 2080 Windforce OC 8G 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 GIGABYTE GeForce RTX 2080 Windforce OC 8G runs at 1.515 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 215 W. Compare the table of benchmark results to find out which graphic card is better.