NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Released 5 years and 10 months late
Boost Clock1058MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (192.3GB/s vs 6.400GB/s)
1496 additional rendering cores
ATI Radeon HD 2400 PRO PCI 's Advantages
Lower TDP (20W vs 195W)