NVIDIA Tesla K40c 's Advantages
Larger VRAM bandwidth (288.4GB/s vs 192.3GB/s)
832 additional rendering cores
NVIDIA Tesla P6 's Advantages
Released 3 years and 5 months late
Boost Clock has increased by 72% (1506MHz vs 876MHz)
More VRAM (16GB vs 12GB)
Lower TDP (90W vs 245W)