AMD Radeon RX 550 640SP 's Advantages
Released 1 years and 4 months late
Lower TDP (60W vs 150W)
AMD Radeon RX 580 OEM 's Advantages
Boost Clock has increased by 18% (1266MHz vs 1071MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 96.00GB/s)
1664 additional rendering cores