NVIDIA GeForce GTX 775M Mac Edition 's Advantages
Released 1 years and 8 months late
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)
960 additional rendering cores
NVIDIA GeForce GTX 660M 's Advantages
Boost Clock950MHz
Lower TDP (50W vs 100W)