AMD Radeon R9 M395X Mac Edition 's Advantages
Released 2 years and 7 months late
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (174.7GB/s vs 160.0GB/s)
512 additional rendering cores
NVIDIA GeForce GTX 680MX Mac Edition 's Advantages
Lower TDP (122W vs 250W)