NVIDIA Tesla K80 's Advantages
More VRAM (12GB vs 4GB)
Larger VRAM bandwidth (240.6GB/s vs 80.19GB/s)
1856 additional rendering cores
NVIDIA Quadro P1000 's Advantages
Released 2 years and 3 months late
Boost Clock has increased by 80% (1480MHz vs 824MHz)
Lower TDP (47W vs 300W)