AMD Radeon R9 270 1024SP 's Advantages
Released 1 years and 5 months late
Boost Clock has increased by 19% (925MHz vs 780MHz)
Larger VRAM bandwidth (153.6GB/s vs 28.80GB/s)
704 additional rendering cores
AMD Radeon R7 240 's Advantages
Lower TDP (30W vs 150W)