NVIDIA Quadro P520 Mobile 's Advantages
Released 10 years and 10 months late
Boost Clock1493MHz
More VRAM (2GB vs 1GB)
256 additional rendering cores
Lower TDP (18W vs 640W)
NVIDIA Quadro Plex 2100 D4 's Advantages
Larger VRAM bandwidth (51.20GB/s vs 48.06GB/s)