AMD Radeon HD 7470M 's Advantages
Released 4 years and 3 months late
Boost Clock800MHz
More VRAM (1024GB vs 512GB)
128 additional rendering cores
NVIDIA GeForce 8600M GT Mac Edition 's Advantages
Larger VRAM bandwidth (20.32GB/s vs 14.40GB/s)
Lower TDP (20W vs 25W)