AMD FireStream 9270 's Advantages
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (115.2GB/s vs 36.80GB/s)
416 additional rendering cores
AMD Radeon R5 340 OEM 's Advantages
Released 6 years and 6 months late
Boost Clock780MHz
Lower TDP (65W vs 160W)