GeForce GTX 970 Advantages
Lower TDP (148W vs 185W)
Radeon RX 580G Advantages
Released 4 years and 1 months late
Boost Clock has increased by 13% (1330MHz vs 1178MHz)
More VRAM (8GB vs 4GB)
Larger VRAM bandwidth (256.0GB/s vs 224.4GB/s)
640 additional rendering cores