NVIDIA Quadro NVS 440 PCIe x16 's Advantages
Released 10 years and 2 months late
Boost Clock2495MHz
More VRAM (48GB vs 5GB)
Larger VRAM bandwidth (864.0GB/s vs 208.0GB/s)
3648 additional rendering cores
NVIDIA Tesla K20s 's Advantages
Lower TDP (225W vs 295W)