NVIDIA GeForce GTX TITAN 's Advantages
Released 1 years and 10 months late
Boost Clock876MHz
More VRAM (6GB vs 1GB)
Larger VRAM bandwidth (288.4GB/s vs 14.40GB/s)
2640 additional rendering cores
NVIDIA GeForce GT 520 PCIe x1 's Advantages
Lower TDP (29W vs 250W)