We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M290X Mac Edition and 1024MB VRAM Radeon R5 M240 Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M290X Mac Edition 's Advantages
Released 10 months late
Boost Clock has increased by 39% (975MHz vs 700MHz)