NVIDIA GeForce 9700M GT 's Advantages
Lower TDP (45W vs 122W)
NVIDIA GeForce GTX 680MX Mac Edition 's Advantages
Released 4 years and 3 months late
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (160.0GB/s vs 25.60GB/s)
1504 additional rendering cores