| 规格 | NVIDIA A2 | NVIDIA H800 |
|---|
| 架构 | NVIDIA Ampere | NVIDIA Hopper |
| 显存 | 16 GB GDDR6 | 80 GB HBM2e |
| 显存带宽 | 200 GB/s | 2 TB/sec |
| FP32算力 | 4.5 TF | 51 TFLOPS |
| FP16算力 | 18 TF | 36 TF | — |
| INT8算力 | 36 TOPS | 72 TOPS | — |
| 功耗TDP | 40–60W (configurable) | 350 W |
| 互联 | PCIe Gen4 x8 | NVLink: 400 GB/s |
| 形态 | 1-slot, low-profile PCIe | PCIe full height/length, dual slot |
| 视频引擎 | 1 video encoder / 2 video decoders (includes AV1 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 |