Pyyan / Compare / MI400 vs Trainium 3
MI400 vs Trainium 3
2 of 5GPU & AI Chips · verified 13 Aug 2026
MI400AMDcurrent
Trainium 3AWScurrent| Specification | MI400 | Trainium 3 |
|---|---|---|
| Summary | Double NVIDIA's memory capacity. | 30–40% better price-performance. |
| Memory | 432GB HBM4 | 144GB HBM3e |
| Bandwidth | 19.6 TB/s | — |
| Vendor | AMD | AWS |
| Category | GPU & AI Chips | GPU & AI Chips |
| Official | AMD ↗ | AWS ↗ |
Highlighted rows are where these differ.
MI400
- 19.6 TB/s bandwidth
- 40 PFLOPS FP4
- $7.2B in commitments
Best for large-model inference.