AMD Radeon HD 6970M Mac Edition 's Advantages
Released 1 years and 7 months late
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (115.2GB/s vs 64.00GB/s)
160 additional rendering cores
ATI Mobility Radeon HD 5850 Mac Edition 's Advantages
Lower TDP (30W vs 75W)