ATI Mobility Radeon HD 5850 Mac Edition 's Advantages
Larger VRAM bandwidth (64.00GB/s vs 14.40GB/s)
288 additional rendering cores
Lower TDP (30W vs 75W)
NVIDIA GeForce 940M 's Advantages
Released 5 years and 2 months late
Boost Clock1098MHz
More VRAM (2GB vs 1024GB)