AMD Radeon HD 6750M Mac Edition 's Advantages
Lower TDP (35W vs 122W)
NVIDIA GeForce GTX 680MX Mac Edition 's Advantages
Released 1 years and 6 months late
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (160.0GB/s vs 50.82GB/s)
1056 additional rendering cores