AMD Radeon R9 M470X 's Advantages
Released 1 years and 6 months late
Boost Clock has increased by 13% (1100MHz vs 975MHz)
More VRAM (4GB vs 2GB)
AMD Radeon R9 M290X Mac Edition 's Advantages
Larger VRAM bandwidth (174.7GB/s vs 76.80GB/s)
128 additional rendering cores