AMD Radeon R9 M390 Mac Edition 's Advantages
Lower TDP (80W vs 130W)
AMD Radeon E9560 PCIe 's Advantages
Released 4 years and 5 months late
Boost Clock1237MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (224.0GB/s vs 174.7GB/s)
1280 additional rendering cores