AMD Radeon 550 's Advantages
Released 6 years and 10 months late
Boost Clock1183MHz
More VRAM (2GB vs 1GB)
Lower TDP (50W vs 228W)
ATI Radeon HD 5870 Mac Edition 's Advantages
Larger VRAM bandwidth (153.0GB/s vs 56.00GB/s)
1088 additional rendering cores