AMD Radeon RX 550 640SP 's Advantages
Released 4 years and 1 months late
Boost Clock1071MHz
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (96.00GB/s vs 72.00GB/s)
128 additional rendering cores
AMD Radeon HD 8740 OEM 's Advantages
Lower TDP (55W vs 60W)