Chip comparison
AWS Inferentia 2 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 | AWS Inferentia 2 | Tesla HW4 (FSD Computer 2) |
|---|---|---|
| Process node | TSMC N7 | Samsung 7LPP |
| TDP | 250 W | 90 W |
| Memory | 32 GB HBM3 | 16 GB GDDR6 |
| Memory bandwidth | 820 GB/s | — |
| BF16 (dense) | 190 TFLOPS | — |
| FP8 (dense) | 380 TFLOPS | — |
| INT8 (dense) | — | 300 TOPS |
| Form factor | Inf2 EC2 instance | Auto-board (dual-SoC) |
| Announced | 2022-12-01 | 2023-01-01 |
| Released | 2023-04-01 | 2023-02-01 |
Robots running AWS Inferentia 2
No robots publicly running it yet.
Robots running Tesla HW4 (FSD Computer 2)
Data centers with AWS Inferentia 2
No data centers publicly running it yet.
Data centers with Tesla HW4 (FSD Computer 2)
No data centers publicly running it yet.
Common questions
AWS Inferentia 2 vs Tesla HW4 (FSD Computer 2): which has more memory?
AWS Inferentia 2 carries more HBM (AWS Inferentia 2: 32 GB HBM3; 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.
AWS Inferentia 2 vs Tesla HW4 (FSD Computer 2): which is more widely used?
AWS Inferentia 2: 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 · AWS Inferentia 2 full page · Tesla HW4 (FSD Computer 2) full page.