NVIDIA Quadro M2200 Mobile 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (88.13GB/s vs 48.06GB/s)
640 additional rendering cores
NVIDIA Quadro P520 Mobile 's Advantages
Released 2 years and 4 months late
Boost Clock has increased by 44% (1493MHz vs 1036MHz)
Lower TDP (18W vs 55W)