AMD Radeon RX 550 512SP 's Advantages
Released 2 years and 4 months late
Boost Clock1071MHz
Lower TDP (50W vs 275W)
AMD Radeon R9 390X 's Advantages
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (384.0GB/s vs 96.00GB/s)
2304 additional rendering cores