| 规格 | AMD Instinct MI300A | AMD Radeon PRO W7900 |
|---|
| 架构 | CDNA3 APU融合封装 (Zen4 EPYC 24核CPU@峰值3700MHz + CDNA3 GPU, TSMC 5nm|6nm FinFET, 1460亿晶体管) | RDNA3 (Navi 31 chiplet: 1×GCD 5nm + 6×MCD 6nm, TSMC, 57.7B晶体管, 硬件光追2代) |
| 显存 | 128GB HBM3 (CPU+GPU统一共享内存, Full-Chip ECC, Infinity Cache Yes) | 48GB GDDR6 with ECC + Infinity Cache 96MB |
| 显存带宽 | 5.3 TB/s | 864 GB/s |
| 显存位宽 | 8192-bit (Memory Clock 5.2 GHz) | 384bit |
| 算力 | FP64 61.3 / FP64 Matrix 122.6 / FP32 122.6 / TF32 Matrix 490.3 / FP16·BF16 980.6 / FP8 1.96 PF / INT8 1.96 POPs (TFLOPS, Peak Engine Clock 2100MHz; FP8/FP16/INT8稀疏翻倍) | FP32 61.3 (datasheet verbatim 61.32) / FP16 Vector 61.3 / FP16 Matrix 123 / INT8 Matrix 123 TOPS / INT4 Matrix 245 TOPS (TFLOPS) |
| 计算单元 | GPU 228 CU / 14592 流处理器 / 912 Matrix Cores + CPU 24核 Zen4 (任务brief预设304CU系MI300X数字, MI300A官方页228为准) | 96 CU / 6144 流处理器 / 96 Ray Accelerators / 192 AI Accelerators (boost 2495MHz, Wikipedia旁证) |
| 功耗 | 550W (TDP) | 760W Peak | 295W (Total Board Power官方页+datasheet+Wikipedia三方一致) | 2×8pin | 推荐PSU 750W |
| 互联 | Infinity Fabric 8链 (峰值128GB/s/链) / PCIe 5.0 x16 | 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) |
| 发布年 | 2023 (官方Launch Date 12/06/2023, Advancing AI大会与MI300X同场) | 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) |
| 形态 | APU SH5 Socket (非MI300X的OAM模组, 冷却Passive & Active) | PCIe Add-in Card 三槽全高 (11"/280mm) 主动散热 |
| 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) |