AMD Radeon RX 550 512SP 's Advantages
Released 3 years and 7 months late
Boost Clock has increased by 15% (1071MHz vs 933MHz)
Lower TDP (50W vs 200W)
AMD Radeon R9 280 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (240.0GB/s vs 96.00GB/s)
1280 additional rendering cores