AMD Radeon R5 340 OEM 's Advantages
Released 7 years and 6 months late
Boost Clock780MHz
More VRAM (1024GB vs 256GB)
144 additional rendering cores
Lower TDP (65W vs 150W)
ATI Radeon HD 2900 GT 's Advantages
Larger VRAM bandwidth (51.20GB/s vs 36.80GB/s)