Comparison of XFX Radeon RX 550 4GB Low Profile video card vs PowerColor Red Dragon Radeon RX 550 2GB 64BIT GDDR5 video card by specs and benchmarks. XFX Radeon RX 550 4GB Low Profile 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 64BIT 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.