AMD Radeon RX 590 's Advantages
Released 7 months late
Boost Clock has increased by 21% (1545MHz vs 1275MHz)
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (256.0GB/s vs 112.0GB/s)
1280 additional rendering cores
AMD Radeon RX 560X 's Advantages
Lower TDP (75W vs 175W)