NVIDIA Quadro K6000 SDI 's Advantages
More VRAM (12GB vs 8GB)
Larger VRAM bandwidth (288.4GB/s vs 192.3GB/s)
576 additional rendering cores
NVIDIA Quadro P4200 Mobile 's Advantages
Released 4 years and 7 months late
Boost Clock1647MHz
Lower TDP (100W vs 239W)