NVIDIA GeForce 9400 GT Rev. 2 's Advantages
Released 1 years and 4 months late
More VRAM (512GB vs 128GB)
NVIDIA GeForce 8600 GT Mac Edition 's Advantages
Larger VRAM bandwidth (24.00GB/s vs 12.80GB/s)
16 additional rendering cores
Lower TDP (47W vs 50W)