NVIDIA GeForce RTX 3080 12 GB 's Advantages
More VRAM (12GB vs 4GB)
Larger VRAM bandwidth (912.4GB/s vs 96.00GB/s)
8192 additional rendering cores
NVIDIA RTX A400 's Advantages
Released 2 years and 3 months late
Boost Clock has increased by 3% (1762MHz vs 1710MHz)
Lower TDP (50W vs 350W)