NVIDIA GeForce GTX TITAN Z 's Advantages
Released 3 years and 1 months late
Boost Clock876MHz
More VRAM (6GB vs 1GB)
Larger VRAM bandwidth (336.0GB/s vs 14.40GB/s)
2832 additional rendering cores
NVIDIA GeForce GT 520 PCIe x1 's Advantages
Lower TDP (29W vs 375W)