AMD Radeon RX 470 's Advantages
Lower TDP (120W vs 185W)
AMD Radeon RX 580 's Advantages
Released 8 months late
Boost Clock has increased by 11% (1340MHz vs 1206MHz)
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (256.0GB/s vs 211.2GB/s)
256 additional rendering cores