We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8690M and 4GB VRAM Radeon R9 M280X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M280X 's Advantages
Released 1 years and 11 months late
Boost Clock has increased by 3% (1000MHz vs 975MHz)