NVIDIA GeForce GT 520 's Advantages
Lower TDP (29W vs 65W)
AMD Radeon R9 255 OEM 's Advantages
Released 2 years and 8 months late
Boost Clock930MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (73.60GB/s vs 14.40GB/s)
464 additional rendering cores