| 规格 | NVIDIA L40S | NVIDIA H800 |
|---|
| 架构 | NVIDIA Ada Lovelace architecture | NVIDIA Hopper |
| 显存 | 48 GB GDDR6 with ECC | 80 GB HBM2e |
| 显存带宽 | 864 GB/s | 2 TB/sec |
| FP32算力 | 91.6 teraFLOPS | 51 TFLOPS |
| FP16算力 | 733 teraFLOPS* | — |
| FP8算力 | 1,466 teraFLOPS* | — |
| 功耗TDP | 350 W | 350 W |
| 互联 | PCIe Gen4 x16 | NVLink: 400 GB/s |
| 形态 | 4.4" (H) x 10.5" (L), dual slot | PCIe full height/length, dual slot |
| 编解码器 | 3x (includes AV1 encode and decode) | — |
| 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 |
| MIG切片 | — | Up to 7 GPU instances |
| ECC | — | Yes |
| 发布年 | — | 2023 |