NVIDIA Quadro P520 Mobile 's Advantages
Released 10 years and 6 months late
Boost Clock1493MHz
144 additional rendering cores
Lower TDP (18W vs 189W)
NVIDIA Quadro FX 5800 's Advantages
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (102.4GB/s vs 48.06GB/s)