NVIDIA GeForce GT 555M 's Advantages
More VRAM (2GB vs 1024GB)
Lower TDP (35W vs 100W)
NVIDIA GeForce GTX 675MX Mac Edition 's Advantages
Released 1 years and 1 months late
Larger VRAM bandwidth (160.0GB/s vs 28.80GB/s)
1200 additional rendering cores