Comparison of PowerColor Red Dragon Radeon RX 550 4GB GDDR5 Low Profile video card vs AMD Radeon Pro W6400 video card by specifications and benchmarks. PowerColor Red Dragon Radeon RX 550 4GB GDDR5 Low Profile runs at 1.019 GHz base clock speed and has 4 GB of GDDR5 memory, while video card AMD Radeon Pro W6400 runs at 2.331 GHz base clock speed and has 4 GB of GDDR6 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.