AMD Radeon R9 280 's Advantages
Larger VRAM bandwidth (240.0GB/s vs 231.9GB/s)
512 additional rendering cores
Lower TDP (200W vs 250W)
NVIDIA A16 PCIe 's Advantages
Released 7 years and 1 months late
Boost Clock has increased by 82% (1695MHz vs 933MHz)
More VRAM (16GB vs 3GB)