NVIDIA GeForce GT 650M Mac Edition 's Advantages
Larger VRAM bandwidth (80.26GB/s vs 80.19GB/s)
Lower TDP (45W vs 75W)
NVIDIA GeForce GTX 960M 's Advantages
Released 2 years and 8 months late
Boost Clock1176MHz
More VRAM (4GB vs 512GB)
256 additional rendering cores