AMD Radeon R9 M290X Mac Edition 's Advantages
Larger VRAM bandwidth (174.7GB/s vs 96.00GB/s)
128 additional rendering cores
AMD Radeon Pro WX 4150 Mobile 's Advantages
Released 2 years and 4 months late
Boost Clock has increased by 8% (1053MHz vs 975MHz)
More VRAM (4GB vs 2GB)
Lower TDP (50W vs 80W)