NVIDIA GeForce 9200M GS GDDR3 's Advantages
Lower TDP (13W vs 50W)
NVIDIA GeForce GTX 660M Mac Edition 's Advantages
Released 4 years and 10 months late
More VRAM (512GB vs 256GB)
Larger VRAM bandwidth (80.00GB/s vs 11.23GB/s)
376 additional rendering cores