NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Released 3 years and 2 months late
Boost Clock1058MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (192.3GB/s vs 12.80GB/s)
1216 additional rendering cores
ATI Radeon HD 4700 's Advantages
Lower TDP (50W vs 195W)