Comparison of GIGABYTE AORUS Radeon RX 580 4G video card vs ZOTAC GeForce GTX 1080 Founders Edition video card by specifications and benchmarks. GIGABYTE AORUS Radeon RX 580 4G runs at 1.257 GHz base clock speed and has 4 GB of GDDR5 memory, while video card ZOTAC GeForce GTX 1080 Founders Edition runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 185 W, and the second is 180 W. Compare the table of benchmark results to find out which graphic card is better.