AMD Radeon RX 550 640SP 's Advantages
Released 2 years and 5 months late
Boost Clock1071MHz
Lower TDP (60W vs 190W)
AMD Radeon R9 380 OEM 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (176.0GB/s vs 96.00GB/s)
1152 additional rendering cores