NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Released 4 years and 1 months late
Boost Clock1058MHz
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (192.3GB/s vs 57.60GB/s)
1472 additional rendering cores
NVIDIA GeForce GT 140 OEM 's Advantages
Lower TDP (105W vs 195W)