AMD Radeon R9 280 's Advantages
Lower TDP (200W vs 205W)
AMD Radeon Pro W5700X 's Advantages
Released 5 years and 9 months late
Boost Clock has increased by 119% (2040MHz vs 933MHz)
More VRAM (16GB vs 3GB)
Larger VRAM bandwidth (448.0GB/s vs 240.0GB/s)
768 additional rendering cores