Comparison of GIGABYTE GeForce GTX 1080 Founders Edition 8G video card vs ZOTAC GeForce GTX 1080 Ti Blower video card by specifications and benchmarks. GIGABYTE GeForce GTX 1080 Founders Edition 8G runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory, while video card ZOTAC GeForce GTX 1080 Ti Blower runs at 1.480 GHz base clock speed and has 11 GB of GDDR5X memory. The TDP of the first video card is 180 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.