NVIDIA GeForce 8600M GS 's Advantages
Lower TDP (20W vs 100W)
NVIDIA GeForce GTX 675MX Mac Edition 's Advantages
Released 5 years and 11 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (160.0GB/s vs 12.80GB/s)
1328 additional rendering cores