Comparison of ASUS Phoenix Radeon RX 550 2G EVO video card vs ZOTAC GeForce GTX 1080 Ti Blower video card by specifications and benchmarks. ASUS Phoenix Radeon RX 550 2G EVO runs at 1.100 GHz base clock speed and has 2 GB of GDDR5 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 50 W, and the second is 250 W. Compare the table of benchmark results to find out which graphic card is better.