We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M275 and 1024MB VRAM GeForce GTX 660M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M275 's Advantages
Released 1 years and 10 months late
More VRAM (2GB vs 1GB)
256 additional rendering cores
NVIDIA GeForce GTX 660M 's Advantages
Boost Clock has increased by 3% (950MHz vs 925MHz)