NVIDIA GeForce 825M 's Advantages
Released 3 years and 9 months late
Boost Clock941MHz
More VRAM (1024GB vs 512GB)
ATI Mobility Radeon HD 5670 Mac Edition 's Advantages
Larger VRAM bandwidth (25.44GB/s vs 14.40GB/s)
16 additional rendering cores
Lower TDP (15W vs 33W)