NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Released 7 years and 9 months late
Boost Clock1058MHz
More VRAM (2GB vs 256GB)
Larger VRAM bandwidth (192.3GB/s vs 32.00GB/s)
1536 additional rendering cores
NVIDIA Quadro FX 3450 's Advantages
Lower TDP (83W vs 195W)