NVIDIA GeForce GTX 780M Mac Edition 's Advantages
Released 2 years and 5 months late
Boost Clock797MHz
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (160.0GB/s vs 96.00GB/s)
1152 additional rendering cores
NVIDIA GeForce GTX 580M 's Advantages
Lower TDP (100W vs 122W)