AMD Radeon Pro 580 's Advantages
Released 2 years and 11 months late
Boost Clock has increased by 58% (1200MHz vs 758MHz)
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (217.0GB/s vs 16.02GB/s)
2112 additional rendering cores
NVIDIA GeForce 805A 's Advantages
Lower TDP (15W vs 185W)