AMD FirePro S10000 Passive 12GB 's Advantages
More VRAM (6GB vs 2GB)
Larger VRAM bandwidth (240.0GB/s vs 112.0GB/s)
1280 additional rendering cores
AMD Radeon 550X 's Advantages
Released 5 years late
Boost Clock has increased by 28% (1218MHz vs 950MHz)
Lower TDP (50W vs 375W)