ATI Radeon HD 5850 's Advantages
Larger VRAM bandwidth (128.0GB/s vs 96.00GB/s)
800 additional rendering cores
AMD Radeon RX 550 640SP 's Advantages
Released 8 years and 1 months late
Boost Clock1071MHz
More VRAM (2GB vs 1024GB)
Lower TDP (60W vs 151W)