NVIDIA GeForce GTX 680MX Mac Edition 's Advantages
Released 3 years and 7 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (160.0GB/s vs 51.20GB/s)
1472 additional rendering cores
NVIDIA GeForce GTS 150M 's Advantages
Lower TDP (45W vs 122W)