| 规格 | NVIDIA L40 | NVIDIA H800 |
|---|
| 架构 | NVIDIA Ada Lovelace Architecture | NVIDIA Hopper |
| 显存 | 48 GB GDDR6 with ECC | 80 GB HBM2e |
| 显存带宽 | 864GB/s | 2 TB/sec |
| 显存位宽 | 384 Bit | — |
| FP32算力 | 90.52 TFLOPS | 51 TFLOPS |
| CUDA核心 | 18176 | 14592 FP32 CUDA Cores per GPU |
| 互联 | PCI Express Gen 4 | NVLink: 400 GB/s |
| 显示输出 | 4 x DP 1.4a | — |
| 编解码器 | 3x | 3x (Includes AV1 Encode & Decode) | — |
| 形态 | 4.4" (H) x 10.5" (L) Dual Slot | PCIe full height/length, dual slot |
| 功耗TDP | 300W | 350 W |
| 散热 | Passive | — |
| 供电接口 | 1x PCIe CEM5 16-pin | — |
| NEBS Ready | Yes / Level 3 | — |
| 发布年 | 2022 | 2023 |
| 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 |
| 系统接口 | — | PCIe Gen 5, x16 lanes |
| MIG切片 | — | Up to 7 GPU instances |
| ECC | — | Yes |