Chip comparison
SambaNova SN40L vs Tesla HW4 (FSD Computer 2)
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 | SambaNova SN40L | Tesla HW4 (FSD Computer 2) |
|---|---|---|
| Process node | TSMC N5 | Samsung 7LPP |
| TDP | 700 W | 90 W |
| Memory | 1500 GB DDR5 (three-tier: 64 MB SRAM + 64 GB HBM3 + 1.5 TB DDR5) | 16 GB GDDR6 |
| FP16 (dense) | 638 TFLOPS | — |
| FP8 (dense) | 1,250 TFLOPS | — |
| INT8 (dense) | — | 300 TOPS |
| Form factor | PCIe (SN40L DataScale system) | Auto-board (dual-SoC) |
| Announced | 2023-09-19 | 2023-01-01 |
| Released | 2024-01-01 | 2023-02-01 |
Robots running SambaNova SN40L
No robots publicly running it yet.
Robots running Tesla HW4 (FSD Computer 2)
Data centers with SambaNova SN40L
No data centers publicly running it yet.
Data centers with Tesla HW4 (FSD Computer 2)
No data centers publicly running it yet.
Common questions
SambaNova SN40L vs Tesla HW4 (FSD Computer 2): which has more memory?
SambaNova SN40L carries more HBM (SambaNova SN40L: 1500 GB DDR5 (three-tier: 64 MB SRAM + 64 GB HBM3 + 1.5 TB DDR5); Tesla HW4 (FSD Computer 2): 16 GB GDDR6). Memory capacity sets the largest model that fits on one chip without partitioning; memory bandwidth sets inference throughput.
SambaNova SN40L vs Tesla HW4 (FSD Computer 2): which is more widely used?
SambaNova SN40L: 0 robots and 0 data centers publicly running it. Tesla HW4 (FSD Computer 2): 3 robots and 0 data centers. Empty here means no operator has said publicly, not zero adoption in the market.
See also: every chip comparison · SambaNova SN40L full page · Tesla HW4 (FSD Computer 2) full page.