AMD Radeon HD 6750M Mac Edition 's Advantages
Larger VRAM bandwidth (50.82GB/s vs 14.40GB/s)
96 additional rendering cores
NVIDIA GeForce 825M 's Advantages
Released 2 years and 9 months late
Boost Clock941MHz
More VRAM (1024GB vs 512GB)
Lower TDP (33W vs 35W)