NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Released 6 years late
Boost Clock1058MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (192.3GB/s vs 12.80GB/s)
1520 additional rendering cores
NVIDIA GeForce 8600 GS 's Advantages
Lower TDP (47W vs 195W)