Chip comparison
NVIDIA GB200 Grace Blackwell Superchip 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 | NVIDIA GB200 Grace Blackwell Superchip | SambaNova SN40L |
|---|---|---|
| Process node | TSMC 4NP | TSMC N5 |
| TDP | 2700 W | 700 W |
| Memory | 384 GB HBM3e | 1500 GB DDR5 (three-tier: 64 MB SRAM + 64 GB HBM3 + 1.5 TB DDR5) |
| Memory bandwidth | 16,000 GB/s | — |
| FP16 (dense) | — | 638 TFLOPS |
| FP8 (dense) | 9,000 TFLOPS | 1,250 TFLOPS |
| Form factor | Superchip (2xB200 + 1xGrace) | PCIe (SN40L DataScale system) |
| Announced | 2024-03-18 | 2023-09-19 |
| Released | 2024-12-01 | 2024-01-01 |
Robots running NVIDIA GB200 Grace Blackwell Superchip
No robots publicly running it yet.
Robots running SambaNova SN40L
No robots publicly running it yet.
Data centers with NVIDIA GB200 Grace Blackwell Superchip
Data centers with SambaNova SN40L
No data centers publicly running it yet.
Common questions
NVIDIA GB200 Grace Blackwell Superchip vs SambaNova SN40L: which is faster for training?
NVIDIA GB200 Grace Blackwell Superchip has 7.20x the dense FP8 throughput of the other (NVIDIA GB200 Grace Blackwell Superchip: 9,000 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.
NVIDIA GB200 Grace Blackwell Superchip vs SambaNova SN40L: which has more memory?
SambaNova SN40L carries more HBM (NVIDIA GB200 Grace Blackwell Superchip: 384 GB HBM3e; 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.
NVIDIA GB200 Grace Blackwell Superchip vs SambaNova SN40L: which is more power-efficient?
Dense FP8 TFLOPS per watt: NVIDIA GB200 Grace Blackwell Superchip 3.33 (9,000 ÷ 2700 W); SambaNova SN40L 1.79 (1,250 ÷ 700 W). NVIDIA GB200 Grace Blackwell Superchip wins at the die level; system-level efficiency also depends on cooling and interconnect.
NVIDIA GB200 Grace Blackwell Superchip vs SambaNova SN40L: which is more widely used?
NVIDIA GB200 Grace Blackwell Superchip: 0 robots and 11 data centers publicly running it. SambaNova SN40L: 0 robots and 0 data centers. Empty here means no operator has said publicly, not zero adoption in the market.
See also: every chip comparison · NVIDIA GB200 Grace Blackwell Superchip full page · SambaNova SN40L full page.