AMD Radeon HD 6970M Rebrand 's Advantages
Lower TDP (75W vs 122W)
NVIDIA GeForce GTX 680MX Mac Edition 's Advantages
Released 1 years and 9 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)
736 additional rendering cores