AMD Radeon E9560 PCIe 's Advantages
Released 4 years and 11 months late
Boost Clock has increased by 27% (1237MHz vs 975MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (224.0GB/s vs 174.7GB/s)
1280 additional rendering cores
AMD Radeon R9 M290X Mac Edition 's Advantages
Lower TDP (80W vs 130W)