AMD Radeon RX 550 640SP 's Advantages
Released 10 years and 9 months late
Boost Clock1071MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (96.00GB/s vs 4.256GB/s)
640 additional rendering cores
ATI Radeon X1550 PCI 's Advantages
Lower TDP (27W vs 60W)