NVIDIA GeForce GT 120M Mac Edition 's Advantages
Lower TDP (14W vs 100W)
NVIDIA GeForce GTX 870M 's Advantages
Released 5 years and 3 months late
Boost Clock967MHz
More VRAM (3GB vs 256GB)
Larger VRAM bandwidth (120.0GB/s vs 25.34GB/s)
1312 additional rendering cores