NVIDIA GeForce GT 520 PCIe x1 's Advantages
Lower TDP (29W vs 75W)
NVIDIA GeForce GTX 950 Low Power 's Advantages
Released 4 years and 11 months late
Boost Clock1190MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (105.8GB/s vs 14.40GB/s)
720 additional rendering cores