AMD Radeon R9 270X 's Advantages
Released 2 years and 6 months late
Boost Clock1050MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (179.2GB/s vs 14.40GB/s)
1232 additional rendering cores
NVIDIA GeForce GT 520 PCI 's Advantages
Lower TDP (29W vs 180W)