NVIDIA Tesla K40s 's Advantages
Boost Clock has increased by 14% (876MHz vs 771MHz)
More VRAM (12GB vs 8GB)
Larger VRAM bandwidth (288.4GB/s vs 192.3GB/s)
576 additional rendering cores
NVIDIA Quadro K5200 's Advantages
Released 8 months late
Lower TDP (150W vs 245W)