NVIDIA Quadro M2200 Mobile 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (88.13GB/s vs 80.13GB/s)
512 additional rendering cores
NVIDIA Quadro P620 's Advantages
Released 1 years and 1 months late
Boost Clock has increased by 31% (1354MHz vs 1036MHz)
Lower TDP (40W vs 55W)