AMD Radeon RX 580 's Advantages
Released 5 years and 11 months late
Boost Clock1340MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (256.0GB/s vs 91.87GB/s)
2016 additional rendering cores
NVIDIA GeForce GTX 555 OEM 's Advantages
Lower TDP (150W vs 185W)