Comparison of GIGABYTE Radeon RX 550 D5 2G (rev. 2.0) video card vs ASUS AREZ Phoenix Radeon RX 550 4GB video card by specs and benchmarks. GIGABYTE Radeon RX 550 D5 2G (rev. 2.0) runs at 1.019 GHz base clock speed and has 2 GB of GDDR5 memory, while video card ASUS AREZ Phoenix Radeon RX 550 4GB runs at 1.019 GHz base clock speed and has 4 GB of GDDR5 memory. The weight is different, -- vs --. The TDP of the first video card is 60 W, and the second is 60 W . Compare the benchmark results to find out which video card is better.