Comparison of ASUS Phoenix Radeon RX 550 4G EVO video card vs PowerColor Red Dragon Radeon RX 550 2GB GDDR5 video card by specs 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 PowerColor Red Dragon Radeon RX 550 2GB GDDR5 runs at 1.100 GHz base clock speed and has 2 GB of GDDR5 memory. The weight is different, -- vs --. The TDP of the first video card is 50 W, and the second is 50 W . Compare the benchmark results to find out which video card is better.