NVIDIA GeForce GT 440 Mac Edition 's Advantages
Lower TDP (65W vs 170W)
NVIDIA GeForce GTX 670 's Advantages
Released 1 years and 3 months late
Boost Clock980MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (192.3GB/s vs 21.34GB/s)
1248 additional rendering cores