AMD Radeon RX 580 's Advantages
Released 4 years and 11 months late
Boost Clock1340MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (256.0GB/s vs 14.40GB/s)
2208 additional rendering cores
NVIDIA GeForce GT 620 's Advantages
Lower TDP (49W vs 185W)