NVIDIA GeForce 945M 's Advantages
Released 8 years and 6 months late
Boost Clock1189MHz
More VRAM (1024GB vs 512GB)
352 additional rendering cores
NVIDIA GeForce 8600M GT Mac Edition 's Advantages
Larger VRAM bandwidth (20.32GB/s vs 16.02GB/s)
Lower TDP (20W vs 23W)