H100 NVL vs L40: Specs
Architecture, compute capability and supported precisions for the H100 NVL and the L40, from vendor datasheets.
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Specs side by side
| Spec | H100 NVL | L40 |
|---|---|---|
| VRAM | 94GB HBM3 | 48GB GDDR6 with ECC |
| Memory bandwidth | 3.9 TB/s | 864 GB/s |
| Architecture | Hopper | Ada Lovelace |
| Compute capability | 9.0 | 8.9 |
| Precisions in hardware | FP32, FP16, BF16, FP8, INT4 | FP32, FP16, BF16, FP8, INT4 |
| Peak FP16/BF16 tensor TFLOPS | 835.5 TFLOPS | 181.05 TFLOPS |
| Peak FP8 tensor TFLOPS | 1,670.5 TFLOPS | 362 TFLOPS |
| NVLink / multi-GPU interconnect | NVLink, 600 GB/s | – |
| Max board power (TDP) | 350-400W (configurable) | 300W |
