NVIDIA GeForce 8600 GT Mac Edition 's Advantages
Lower TDP (47W vs 219W)
NVIDIA GeForce GTX 275 PhysX Edition 's Advantages
Released 2 years and 10 months late
More VRAM (896GB vs 128GB)
Larger VRAM bandwidth (127.0GB/s vs 24.00GB/s)
208 additional rendering cores