AMD Radeon R9 270 1024SP 's Advantages
Released 3 years and 3 months late
Boost Clock925MHz
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (153.6GB/s vs 21.34GB/s)
704 additional rendering cores
ATI Radeon HD 4720 's Advantages
Lower TDP (55W vs 150W)