NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Released 7 years late
Boost Clock1058MHz
More VRAM (2GB vs 128GB)
Larger VRAM bandwidth (192.3GB/s vs 12.80GB/s)
1536 additional rendering cores
NVIDIA Quadro FX 550 's Advantages
Lower TDP (30W vs 195W)