NVIDIA Tesla K80 's Advantages
More VRAM (12GB vs 8GB)
Larger VRAM bandwidth (240.6GB/s vs 192.3GB/s)
NVIDIA Tesla P4 's Advantages
Released 1 years and 10 months late
Boost Clock has increased by 35% (1114MHz vs 824MHz)
64 additional rendering cores
Lower TDP (75W vs 300W)