NVIDIA Quadro NVS 440 PCIe x16 's Advantages
Released 5 years and 2 months late
Boost Clock has increased by 73% (2495MHz vs 1443MHz)
More VRAM (48GB vs 4GB)
Larger VRAM bandwidth (864.0GB/s vs 96.13GB/s)
5632 additional rendering cores
NVIDIA Quadro P620 Mobile 's Advantages
Lower TDP (40W vs 295W)