| 规格 | NVIDIA L20 | NVIDIA H800 |
|---|---|---|
| 架构 | Ada Lovelace architecture | NVIDIA Hopper |
| 核心芯片 | AD102 | — |
| 显存 | 48 GB GDDR6 | 80 GB HBM2e |
| 显存位宽 | 384 Bit | — |
| 显存带宽 | 864.0 GB/s | 2 TB/sec |
| 显存频率 | 2250 MHz | — |
| FP32算力 | 59.35 TFLOPS | 51 TFLOPS |
| CUDA核心 | 11776 | 14592 FP32 CUDA Cores per GPU |
| RT核心 | 92 | — |
| 互联 | PCIe 4.0 x16 | NVLink: 400 GB/s |
| 形态 | dual-slot | PCIe full height/length, dual slot |
| 卡长 | 267 mm | — |
| 功耗TDP | 275 Watt | 350 W |
| 发布年 | 2023 | 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 |