NVIDIA GeForce GTX 675MX Mac Edition 's Advantages
Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)
448 additional rendering cores
NVIDIA GeForce MX450 30.5W 8Gbps 's Advantages
Released 7 years and 4 months late
Boost Clock1275MHz
More VRAM (2GB vs 1GB)
Lower TDP (31W vs 100W)