NVIDIA GeForce GTX 775M Mac Edition 's Advantages
Larger VRAM bandwidth (160.0GB/s vs 96.00GB/s)
320 additional rendering cores
NVIDIA T550 Mobile 's Advantages
Released 8 years and 6 months late
Boost Clock1665MHz
More VRAM (4GB vs 2GB)
Lower TDP (23W vs 100W)