Comparison of PowerColor Red Dragon Radeon RX 550 4GB GDDR5 V2 video card vs MSI Radeon RX 550 AERO ITX 2G OC video card by specs and benchmarks. PowerColor Red Dragon Radeon RX 550 4GB GDDR5 V2 runs at 1.100 GHz base clock speed and has 4 GB of GDDR5 memory, while video card MSI Radeon RX 550 AERO ITX 2G OC 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.