AMD Radeon RX 580 's Advantages
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (256.0GB/s vs 16.80GB/s)
1920 additional rendering cores
NVIDIA GeForce GT 1030 DDR4 's Advantages
Released 11 months late
Boost Clock has increased by 3% (1379MHz vs 1340MHz)
Lower TDP (20W vs 185W)