| 规格 | NVIDIA H800 | NVIDIA H200 NVL |
|---|
| 架构 | NVIDIA Hopper | NVIDIA Hopper |
| 显存 | 80 GB HBM2e | 141GB |
| 显存(94GB版) | 94 GB HBM3 | — |
| 显存带宽 | 2 TB/sec | 4.8TB/s |
| 显存带宽(94GB版) | 3.9 TB/sec | — |
| FP32算力 | 51 TFLOPS | 60 TFLOPS |
| Tensor核心 | 456 fourth-generation Tensor Cores per GPU | — |
| CUDA核心 | 14592 FP32 CUDA Cores per GPU | — |
| 互联 | NVLink: 400 GB/s | 2- or 4-way NVIDIA NVLink bridge: 900GB/s per GPU | PCIe Gen5: 128GB/s |
| 系统接口 | PCIe Gen 5, x16 lanes | — |
| 形态 | PCIe full height/length, dual slot | PCIe Dual-slot air-cooled |
| MIG切片 | Up to 7 GPU instances | Up to 7 MIGs @16.5GB each |
| 功耗TDP | 350 W | Up to 600W (configurable) |
| ECC | Yes | — |
| 发布年 | 2023 | — |
| 显存类型 | — | HBM3e |
| FP64算力 | — | 30 TFLOPS |
| FP64 Tensor Core | — | 60 TFLOPS |
| FP8算力 | — | 3,341 TFLOPS |
| FP16算力 | — | 1,671 TFLOPS |
| INT8算力 | — | 3,341 TFLOPS |
| 编解码器 | — | 7 NVDEC | 7 JPEG |
| 机密计算 | — | Supported |