| 规格 | NVIDIA A800 | NVIDIA A2 |
|---|
| 架构 | NVIDIA Ampere | NVIDIA Ampere |
| 显存 | 80 GB HBM2e | 16 GB GDDR6 |
| 显存带宽 | 1,935 GB/s | 200 GB/s |
| FP64算力 | 9.7 TFLOPS | — |
| FP64 Tensor Core | 19.5 TFLOPS | — |
| FP32算力 | 19.5 TFLOPS | 4.5 TF |
| TF32 Tensor Core | 156 TFLOPS | — |
| FP16算力 | 312 TFLOPS | 18 TF | 36 TF |
| INT8算力 | 624 TOPS | 36 TOPS | 72 TOPS |
| Tensor核心 | 512 third-generation Tensor Cores per GPU | — |
| CUDA核心 | 8192 FP32 CUDA Cores per GPU | — |
| 互联 | NVLink: 400 GB/s | PCIe Gen4 x8 |
| 系统接口 | PCIe Gen 4, x16 lanes | — |
| 形态 | PCIe full height/length, double width | 1-slot, low-profile PCIe |
| MIG切片 | Up to 7 GPU instances, 10GB each | — |
| 功耗TDP | 300 W | 40–60W (configurable) |
| ECC | Yes | — |
| 发布年 | 2022 | — |
| 视频引擎 | — | 1 video encoder / 2 video decoders (includes AV1 decode) |