| 规格 | AMD Instinct MI325X | AMD Instinct MI300X |
|---|---|---|
| 架构 | CDNA3 | CDNA3 |
| 显存 | 256 GB | 192 GB |
| 显存类型 | HBM3E | HBM3 |
| 显存位宽 | 8192-bit | 8192-bit |
| 显存带宽 | 6 TB/s | 5.3 TB/s |
| FP8算力 | 2.61 PFLOPs | 2.61 PFLOPs |
| FP16算力 | 1.3 PFLOPs | 1.3 PFLOPs |
| FP32算力 | 163.4 TFLOPs | 163.4 TFLOPs |
| FP64算力 | 81.7 TFLOPs | 81.7 TFLOPs |
| INT8算力 | 2.6 POPs | 2.6 POPs |
| 功耗TBP | 1000W Peak | 750W Peak |
| 互联 | PCIe® 5.0 x16 | PCIe® 5.0 x16 |
| Infinity Fabric Links | 8 | 8 |
| Infinity Fabric带宽 | 128 GB/s | 128 GB/s |
| 流处理器 | 19,456 | 19,456 |
| 形态 | OAM Module | OAM Module |
| 末级缓存LLC | 256 MB | 256 MB |
| 制程 | TSMC 5nm | 6nm FinFET | TSMC 5nm | 6nm FinFET |