NVIDIA GeForce GTX 850A 's Advantages
Released 4 years and 2 months late
Boost Clock936MHz
More VRAM (2GB vs 1024GB)
ATI Mobility Radeon HD 5850 Mac Edition 's Advantages
Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)
160 additional rendering cores
Lower TDP (30W vs 45W)