AMD Radeon R9 M395 Mac Edition 's Advantages
Released 2 years and 11 months late
Larger VRAM bandwidth (174.7GB/s vs 115.2GB/s)
448 additional rendering cores
NVIDIA GeForce GTX 680M 's Advantages
Boost Clock758MHz
More VRAM (4GB vs 2GB)
Lower TDP (100W vs 250W)