Comparison of ASUS Phoenix Radeon RX 550 2G EVO video card vs EVGA GeForce GTX 1660 XC OC 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 EVGA GeForce GTX 1660 XC OC runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 50 W, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.