NVIDIA GeForce GT 520 PCIe x1 's Advantages
Lower TDP (29W vs 150W)
AMD Radeon R9 270 1024SP 's Advantages
Released 3 years and 11 months late
Boost Clock925MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (153.6GB/s vs 14.40GB/s)
976 additional rendering cores