AMD Radeon R9 280X 's Advantages
Larger VRAM bandwidth (288.0GB/s vs 80.00GB/s)
1664 additional rendering cores
NVIDIA T400 4 GB 's Advantages
Released 7 years and 7 months late
Boost Clock has increased by 42% (1425MHz vs 1000MHz)
More VRAM (4GB vs 3GB)
Lower TDP (30W vs 250W)