NVIDIA Quadro K620 's Advantages
Released 8 years and 5 months late
Boost Clock1124MHz
More VRAM (2GB vs 128GB)
Larger VRAM bandwidth (28.80GB/s vs 8.000GB/s)
384 additional rendering cores
NVIDIA Quadro NVS 440 PCIe x1 's Advantages
Lower TDP (31W vs 45W)