AMD Radeon RX 550 512SP 's Advantages
Larger VRAM bandwidth (96.00GB/s vs 80.00GB/s)
128 additional rendering cores
NVIDIA T400 4 GB 's Advantages
Released 3 years and 7 months late
Boost Clock has increased by 33% (1425MHz vs 1071MHz)
More VRAM (4GB vs 2GB)
Lower TDP (30W vs 50W)