NVIDIA Tesla K8 's Advantages
More VRAM (8GB vs 5GB)
Larger VRAM bandwidth (160.0GB/s vs 140.2GB/s)
512 additional rendering cores
NVIDIA Quadro P2000 's Advantages
Released 2 years and 5 months late
Boost Clock has increased by 82% (1480MHz vs 811MHz)
Lower TDP (75W vs 100W)