| 规格 | AMD Instinct MI325X | AMD Instinct MI100 |
|---|
| 架构 | CDNA3 | CDNA / gfx908 (CDNA1 世代开山, TSMC 7nm FinFET) |
| 显存 | 256 GB | 32GB HBM2 (Full-Chip ECC, 4 stacks) |
| 显存类型 | HBM3E | — |
| 显存位宽 | 8192-bit | 4096bit (4 stacks × 1024bit) |
| 显存带宽 | 6 TB/s | 1.2 TB/s |
| FP8算力 | 2.61 PFLOPs | — |
| FP16算力 | 1.3 PFLOPs | — |
| FP32算力 | 163.4 TFLOPs | — |
| FP64算力 | 81.7 TFLOPs | — |
| INT8算力 | 2.6 POPs | — |
| 功耗TBP | 1000W Peak | — |
| 互联 | PCIe® 5.0 x16 | Infinity Fabric 3链 (峰值92GB/s/链, 2-4卡hive) / PCIe 4.0 x16 (兼容 3.0 x16) |
| Infinity Fabric Links | 8 | — |
| Infinity Fabric带宽 | 128 GB/s | — |
| 流处理器 | 19,456 | — |
| 形态 | OAM Module | PCIe Add-in Card (全高全长双槽 10.5"/267mm, 被动散热) |
| 末级缓存LLC | 256 MB | — |
| 制程 | TSMC 5nm | 6nm FinFET | — |
| 算力 | — | FP64 11.5 / FP32 23.1 / FP32 Matrix 46.1 / FP16 184.6 / BF16 92.3 / INT8·INT4 92.3 TOPS (TFLOPS, Peak Engine Clock 1502MHz) |
| 计算单元 | — | 120 CU / 7,680 流处理器 (8 Shader Engine × 15 CU, Matrix Core) |
| 功耗 | — | 300W Peak (TDP, 被动散热) |
| 发布年 | — | 2020 (官方 Launch Date 11/16/2020) |