AMD Radeon 550 's Advantages
Released 6 months late
Lower TDP (50W vs 120W)
AMD Radeon RX 470D 's Advantages
Boost Clock has increased by 2% (1206MHz vs 1183MHz)
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (211.2GB/s vs 56.00GB/s)
1280 additional rendering cores