AMD Radeon R9 280X 's Advantages
Larger VRAM bandwidth (288.0GB/s vs 211.2GB/s)
256 additional rendering cores
AMD Radeon RX 470D 's Advantages
Released 3 years late
Boost Clock has increased by 21% (1206MHz vs 1000MHz)
More VRAM (4GB vs 3GB)
Lower TDP (120W vs 250W)