NVIDIA Tesla P100 SXM2 's Advantages
Boost Clock has increased by 18% (1480MHz vs 1252MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (732.2GB/s vs 32.06GB/s)
3328 additional rendering cores
NVIDIA Quadro P400 's Advantages
Released 10 months late
Lower TDP (30W vs 300W)