| 规格 | NVIDIA H800 | NVIDIA L40 |
|---|
| 架构 | NVIDIA Hopper | NVIDIA Ada Lovelace Architecture |
| 显存 | 80 GB HBM2e | 48 GB GDDR6 with ECC |
| 显存(94GB版) | 94 GB HBM3 | — |
| 显存带宽 | 2 TB/sec | 864GB/s |
| 显存带宽(94GB版) | 3.9 TB/sec | — |
| FP32算力 | 51 TFLOPS | 90.52 TFLOPS |
| Tensor核心 | 456 fourth-generation Tensor Cores per GPU | — |
| CUDA核心 | 14592 FP32 CUDA Cores per GPU | 18176 |
| 互联 | NVLink: 400 GB/s | PCI Express Gen 4 |
| 系统接口 | PCIe Gen 5, x16 lanes | — |
| 形态 | PCIe full height/length, dual slot | 4.4" (H) x 10.5" (L) Dual Slot |
| MIG切片 | Up to 7 GPU instances | — |
| 功耗TDP | 350 W | 300W |
| ECC | Yes | — |
| 发布年 | 2023 | 2022 |
| 显存位宽 | — | 384 Bit |
| 显示输出 | — | 4 x DP 1.4a |
| 编解码器 | — | 3x | 3x (Includes AV1 Encode & Decode) |
| 散热 | — | Passive |
| 供电接口 | — | 1x PCIe CEM5 16-pin |
| NEBS Ready | — | Yes / Level 3 |