NVIDIA GeForce 8600 GT Mac Edition 's Advantages
Lower TDP (47W vs 170W)
NVIDIA GeForce GTX 560 Ti X2 's Advantages
Released 3 years and 9 months late
More VRAM (1024GB vs 128GB)
Larger VRAM bandwidth (128.3GB/s vs 24.00GB/s)
352 additional rendering cores