AMD Radeon R5 340 OEM 's Advantages
Released 2 years and 4 months late
Lower TDP (65W vs 75W)
AMD Radeon HD 8670 OEM 's Advantages
Boost Clock has increased by 35% (1050MHz vs 780MHz)
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (73.60GB/s vs 36.80GB/s)