ATI Mobility Radeon HD 5850 Mac Edition 's Advantages
Released 2 years and 8 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (64.00GB/s vs 12.80GB/s)
784 additional rendering cores
NVIDIA GeForce 8600M GS 's Advantages
Lower TDP (20W vs 30W)