NVIDIA GeForce 8600 GT Mac Edition 's Advantages
Lower TDP (47W vs 80W)
AMD Radeon HD 7770 GHz Edition 's Advantages
Released 4 years and 10 months late
More VRAM (1024GB vs 128GB)
Larger VRAM bandwidth (72.00GB/s vs 24.00GB/s)
608 additional rendering cores