AMD Radeon R9 M395 Mac Edition 's Advantages
Released 3 years and 4 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (174.7GB/s vs 14.40GB/s)
1392 additional rendering cores
AMD Radeon HD 7550M 's Advantages
Boost Clock550MHz
Lower TDP (14W vs 250W)