| 规格 | AMD Radeon PRO W7900 | AMD Instinct MI100 |
|---|
| 架构 | RDNA3 (Navi 31 chiplet: 1×GCD 5nm + 6×MCD 6nm, TSMC, 57.7B晶体管, 硬件光追2代) | CDNA / gfx908 (CDNA1 世代开山, TSMC 7nm FinFET) |
| 显存 | 48GB GDDR6 with ECC + Infinity Cache 96MB | 32GB HBM2 (Full-Chip ECC, 4 stacks) |
| 显存带宽 | 864 GB/s | 1.2 TB/s (官方页口径; ROCm 架构文档 1.228 TB/s @1.2GHz) |
| 显存位宽 | 384bit | 4096bit (4 stacks × 1024bit) |
| 算力 | FP32 61.3 (datasheet verbatim 61.32) / FP16 Vector 61.3 / FP16 Matrix 123 / INT8 Matrix 123 TOPS / INT4 Matrix 245 TOPS (TFLOPS) | 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 | 96 CU / 6144 流处理器 / 96 Ray Accelerators / 192 AI Accelerators (boost 2495MHz, Wikipedia旁证) | 120 CU / 7,680 流处理器 (8 Shader Engine × 15 CU, Matrix Core) |
| 功耗 | 295W (Total Board Power官方页+datasheet+Wikipedia三方一致) | 2×8pin | 推荐PSU 750W | 300W Peak (TDP, 被动散热) |
| 互联 | PCIe 4.0 x16 (3.0兼容) / 无多卡互联（官方规格表无卡间互联字段，对比Instinct系列列Infinity Fabric Links；RDNA3工作站卡不提供桥接） | Infinity Fabric 3链 (峰值92GB/s/链, 2-4卡hive) / PCIe 4.0 x16 (兼容 3.0 x16) |
| 发布年 | 2023 (2023-04-13 官宣；任务预设06-13不成立：Wikipedia正文+表格verbatim 'April 13, 2023' + AMD datasheet脚注RPW-409c 'SEP as of April 13, 2023'双证) | 2020 (官方 Launch Date 11/16/2020) |
| 形态 | PCIe Add-in Card 三槽全高 (11"/280mm) 主动散热 | PCIe Add-in Card (全高全长双槽 10.5"/267mm, 被动散热) |
| 定价 | SEP $3,999 (AMD官方，2023-04-13口径；datasheet定价页自对标 RTX 6000 Ada $8,615) | — |