NVIDIA GeForce GTX 780M Mac Edition 's Advantages
Released 1 years and 5 months late
Boost Clock has increased by 5% (797MHz vs 758MHz)
Larger VRAM bandwidth (160.0GB/s vs 115.2GB/s)
192 additional rendering cores
NVIDIA GeForce GTX 680M 's Advantages
Lower TDP (100W vs 122W)