NVIDIA Quadro K5000 Mac Edition 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (172.8GB/s vs 14.40GB/s)
1152 additional rendering cores
NVIDIA Quadro M500M 's Advantages
Released 3 years and 8 months late
Boost Clock1124MHz
Lower TDP (30W vs 122W)