A100 vs H100 NVL: Specs
Architecture, compute capability and supported precisions for the A100 and the H100 NVL, from vendor datasheets.
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Specs side by side
| Spec | A100 | H100 NVL |
|---|---|---|
| VRAM | 80GB HBM2e | 94GB HBM3 |
| Memory bandwidth | 2,039 GB/s | 3.9 TB/s |
| Architecture | Ampere | Hopper |
| Compute capability | 8.0 | 9.0 |
| Precisions in hardware | FP32, FP16, BF16, INT4 | FP32, FP16, BF16, FP8, INT4 |
| Peak FP16/BF16 tensor TFLOPS | 312 TFLOPS | 835.5 TFLOPS |
| Peak FP8 tensor TFLOPS | – | 1,670.5 TFLOPS |
| NVLink / multi-GPU interconnect | NVLink 3, 600 GB/s | NVLink, 600 GB/s |
| Max board power (TDP) | 400W (SXM) | 350-400W (configurable) |
