AMD Radeon 550X 640SP 's Advantages
Released 8 years and 7 months late
Boost Clock1071MHz
More VRAM (4GB vs 1024GB)
Lower TDP (50W vs 188W)
ATI Radeon HD 5870 's Advantages
Larger VRAM bandwidth (153.6GB/s vs 48.00GB/s)
960 additional rendering cores