NVIDIA GeForce GT 720M 's Advantages
Released 6 years and 2 months late
Boost Clock758MHz
More VRAM (2GB vs 512GB)
160 additional rendering cores
NVIDIA GeForce 8600M GT Mac Edition 's Advantages
Larger VRAM bandwidth (20.32GB/s vs 12.80GB/s)
Lower TDP (20W vs 33W)