AMD Radeon R9 M380 Mac Edition 's Advantages
Released 1 years and 4 months late
Boost Clock has increased by 13% (1021MHz vs 900MHz)
AMD Radeon R9 M290X 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (153.6GB/s vs 100.4GB/s)
512 additional rendering cores