Chip comparison
Huawei Ascend 910C vs SambaNova SN40L
Side-by-side specs
Straight from each vendor's datasheet. Winner in bold: higher throughput, memory, or transistor count; lower power draw or price. Sparse (2:4) throughput roughly doubles the FP8/INT8 numbers shown.
| Field | Huawei Ascend 910C | SambaNova SN40L |
|---|---|---|
| Process node | SMIC N+2 (~7nm) | TSMC N5 |
| TDP | 500 W | 700 W |
| Memory | 128 GB HBM2e | 1500 GB DDR5 (three-tier: 64 MB SRAM + 64 GB HBM3 + 1.5 TB DDR5) |
| Memory bandwidth | 3,200 GB/s | — |
| FP16 (dense) | 800 TFLOPS | 638 TFLOPS |
| BF16 (dense) | 800 TFLOPS | — |
| FP8 (dense) | — | 1,250 TFLOPS |
| INT8 (dense) | 1,600 TOPS | — |
| Form factor | OAM | PCIe (SN40L DataScale system) |
| Announced | 2024-09-19 | 2023-09-19 |
| Released | 2025-01-01 | 2024-01-01 |
Robots running Huawei Ascend 910C
No robots publicly running it yet.
Robots running SambaNova SN40L
No robots publicly running it yet.
Data centers with Huawei Ascend 910C
No data centers publicly running it yet.
Data centers with SambaNova SN40L
No data centers publicly running it yet.
Common questions
Huawei Ascend 910C vs SambaNova SN40L: which is faster for training?
SambaNova SN40L has 1.56x the dense FP16/BF16 throughput of the other (Huawei Ascend 910C: 800 TFLOPS; SambaNova SN40L: 1,250 TFLOPS). Real-world training speed also depends on memory bandwidth, interconnect, and software stack: see the spec diff for those inputs.
Huawei Ascend 910C vs SambaNova SN40L: which has more memory?
SambaNova SN40L carries more HBM (Huawei Ascend 910C: 128 GB HBM2e; SambaNova SN40L: 1500 GB DDR5 (three-tier: 64 MB SRAM + 64 GB HBM3 + 1.5 TB DDR5)). Memory capacity sets the largest model that fits on one chip without partitioning; memory bandwidth sets inference throughput.
Huawei Ascend 910C vs SambaNova SN40L: which is more power-efficient?
Dense FP16/BF16 TFLOPS per watt: Huawei Ascend 910C 1.60 (800 ÷ 500 W); SambaNova SN40L 1.79 (1,250 ÷ 700 W). SambaNova SN40L wins at the die level; system-level efficiency also depends on cooling and interconnect.
See also: every chip comparison · Huawei Ascend 910C full page · SambaNova SN40L full page.