NVIDIA Quadro M5500 Mobile 's Advantages
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (224.4GB/s vs 80.19GB/s)
1408 additional rendering cores
NVIDIA Quadro P1000 's Advantages
Released 10 months late
Boost Clock has increased by 27% (1480MHz vs 1165MHz)
Lower TDP (47W vs 150W)