AMD Radeon R9 M290X Mac Edition 's Advantages
Lower TDP (80W vs 250W)
AMD Radeon Pro Vega 64 's Advantages
Released 2 years and 7 months late
Boost Clock has increased by 38% (1350MHz vs 975MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (402.4GB/s vs 174.7GB/s)
3072 additional rendering cores