Comparison of PowerColor Red Dragon Radeon RX 550 4GB GDDR5 video card vs PowerColor Red Dragon Radeon RX 550 2GB GDDR5 video card by specifications and benchmarks. PowerColor Red Dragon Radeon RX 550 4GB GDDR5 runs at 1.019 GHz base clock speed and has 4 GB of GDDR5 memory, while video card PowerColor Red Dragon Radeon RX 550 2GB GDDR5 runs at 1.019 GHz base clock speed and has 2 GB of GDDR5 memory. The TDP of the first video card is 50 W, and the second is 50 W. Compare the table of benchmark results to find out which graphic card is better.