NVIDIA GeForce GT 520 PCI 's Advantages
Lower TDP (29W vs 30W)
AMD Radeon R7 240 's Advantages
Released 2 years and 6 months late
Boost Clock780MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)
272 additional rendering cores