We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M290X and 1024MB VRAM Radeon HD 8590M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M290X 's Advantages
Released 10 months late
Boost Clock has increased by 9% (900MHz vs 825MHz)