NVIDIA GeForce GTX 880M 's Advantages
Released 1 years and 8 months late
Boost Clock993MHz
More VRAM (8GB vs 512GB)
Larger VRAM bandwidth (160.0GB/s vs 80.26GB/s)
1152 additional rendering cores
NVIDIA GeForce GT 650M Mac Edition 's Advantages
Lower TDP (45W vs 122W)