AMD Radeon R7 265 's Advantages
Larger VRAM bandwidth (179.2GB/s vs 96.00GB/s)
AMD Radeon Pro WX 4100 's Advantages
Released 2 years and 9 months late
Boost Clock has increased by 30% (1201MHz vs 925MHz)
More VRAM (4GB vs 2GB)
Lower TDP (50W vs 150W)