AMD Radeon RX 550 's Advantages
Released 10 months late
Lower TDP (50W vs 150W)
AMD Radeon RX 580 OEM 's Advantages
Boost Clock has increased by 7% (1266MHz vs 1183MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 112.0GB/s)
1792 additional rendering cores