Radeon RX 590 's Advantages
Released 4 years and 2 months late
Boost Clock has increased by 27% (1545MHz vs 1216MHz)
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (256.0GB/s vs 224.4GB/s)
256 additional rendering cores
GeForce GTX 980 's Advantages
Lower TDP (165W vs 175W)