ATI Mobility Radeon HD 5770 's Advantages
Released 2 years and 3 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (51.20GB/s vs 20.32GB/s)
368 additional rendering cores
NVIDIA GeForce 8600M GT Mac Edition 's Advantages
Lower TDP (20W vs 30W)