| 规格 | NVIDIA H800 | NVIDIA H100 NVL |
|---|
| 架构 | NVIDIA Hopper | NVIDIA Hopper |
| 显存 | 80 GB HBM2e | 94GB |
| 显存(94GB版) | 94 GB HBM3 | — |
| 显存带宽 | 2 TB/sec | 3.9TB/s |
| 显存带宽(94GB版) | 3.9 TB/sec | — |
| FP32算力 | 51 TFLOPS | 60 teraFLOPs |
| 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 | NVIDIA NVLink: 600GB/s | 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 @ 12GB each |
| 功耗TDP | 350 W | 350-400W (configurable) |
| ECC | Yes | — |
| 发布年 | 2023 | — |
| 显存类型 | — | HBM3 |
| FP64算力 | — | 30 teraFLOPs |
| FP64 Tensor Core | — | 60 teraFLOPs |
| FP8算力 | — | 3,341 teraFLOPS |
| FP16算力 | — | 1,671 teraFLOPS |
| INT8算力 | — | 3,341 TOPS |
| 编解码器 | — | 7 NVDEC | 7 JPEG |