ATI Mobility Radeon HD 560v 's Advantages
More VRAM (1024GB vs 512GB)
Lower TDP (15W vs 50W)
NVIDIA GeForce GTX 660M Mac Edition 's Advantages
Released 2 years and 11 months late
Larger VRAM bandwidth (80.00GB/s vs 25.60GB/s)
64 additional rendering cores