NVIDIA Quadro P5000 's Advantages
Boost Clock has increased by 28% (1733MHz vs 1354MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (288.5GB/s vs 80.13GB/s)
2048 additional rendering cores
NVIDIA Quadro P620 's Advantages
Released 1 years and 4 months late
Lower TDP (40W vs 180W)