NVIDIA Tesla P100 PCIe 12 GB 's Advantages
More VRAM (12GB vs 2GB)
Larger VRAM bandwidth (549.1GB/s vs 48.06GB/s)
3200 additional rendering cores
NVIDIA Quadro P520 Mobile 's Advantages
Released 2 years and 11 months late
Boost Clock has increased by 12% (1493MHz vs 1329MHz)
Lower TDP (18W vs 250W)