We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M380 Mac Edition and 1024MB VRAM GeForce 945A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M380 Mac Edition 's Advantages
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (100.4GB/s vs 40.10GB/s)
384 additional rendering cores
NVIDIA GeForce 945A 's Advantages
Boost Clock has increased by 16% (1189MHz vs 1021MHz)