ATI Radeon HD 3870 Mac Edition 's Advantages
Lower TDP (106W vs 200W)
AMD Radeon HD 7950 Mac Edition 's Advantages
Released 4 years and 9 months late
More VRAM (3GB vs 512GB)
Larger VRAM bandwidth (240.0GB/s vs 72.06GB/s)
1472 additional rendering cores