Comparison of ASUS Phoenix Radeon RX 550 4G EVO video card vs ZOTAC GeForce GTX 1080 IceStorm 2X video card by specifications and benchmarks. ASUS Phoenix Radeon RX 550 4G EVO runs at 1.100 GHz base clock speed and has 4 GB of GDDR5 memory, while video card ZOTAC GeForce GTX 1080 IceStorm 2X runs at 1.607 GHz base clock speed and has 8 GB of GDDR5X memory. The TDP of the first video card is 50 W, and the second is 230 W+ 28 %. Compare the table of benchmark results to find out which graphic card is better.