We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M420 and 2GB VRAM GeForce GTX 680MX Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R5 M420 's Advantages
Released 3 years and 7 months late
Boost Clock850MHz
More VRAM (4GB vs 2GB)
NVIDIA GeForce GTX 680MX Mac Edition 's Advantages