AMD Radeon R9 285 's Advantages
Lower TDP (190W vs 230W)
AMD Radeon Pro WX 9100 's Advantages
Released 2 years and 10 months late
Boost Clock1500MHz
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (483.8GB/s vs 176.0GB/s)
2304 additional rendering cores