AMD Radeon R9 270 's Advantages
Released 3 years and 4 months late
Boost Clock925MHz
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (179.2GB/s vs 64.00GB/s)
640 additional rendering cores
ATI Radeon HD 5670 640SP Edition 's Advantages
Lower TDP (64W vs 150W)