AMD Radeon R9 280 's Advantages
Released 2 years and 11 months late
Boost Clock933MHz
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (240.0GB/s vs 14.40GB/s)
1744 additional rendering cores
NVIDIA GeForce GT 520 PCI 's Advantages
Lower TDP (29W vs 200W)