NVIDIA Quadro 6000 's Advantages
More VRAM (6GB vs 2GB)
Larger VRAM bandwidth (143.4GB/s vs 40.10GB/s)
192 additional rendering cores
NVIDIA Quadro P500 Mobile 's Advantages
Released 7 years and 1 months late
Boost Clock1518MHz
Lower TDP (18W vs 204W)