NVIDIA GeForce GT 650M Mac Edition 's Advantages
Larger VRAM bandwidth (80.26GB/s vs 72.00GB/s)
AMD Radeon E8860 's Advantages
Released 1 years and 6 months late
Boost Clock625MHz
More VRAM (2GB vs 512GB)
256 additional rendering cores
Lower TDP (37W vs 45W)