AMD FirePro S4000X 's Advantages
Lower TDP (45W vs 185W)
AMD Radeon Pro 580 's Advantages
Released 2 years and 10 months late
Boost Clock has increased by 55% (1200MHz vs 775MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (217.0GB/s vs 72.00GB/s)
1664 additional rendering cores