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