Chip comparison
AMD Instinct MI325X 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 | AMD Instinct MI325X | Tesla HW4 (FSD Computer 2) |
|---|---|---|
| Process node | TSMC N5 + N6 (chiplet) | Samsung 7LPP |
| TDP | 1000 W | 90 W |
| Memory | 256 GB HBM3e | 16 GB GDDR6 |
| Memory bandwidth | 6,000 GB/s | — |
| FP16 (dense) | 1,307 TFLOPS | — |
| BF16 (dense) | 1,307 TFLOPS | — |
| FP8 (dense) | 2,614 TFLOPS | — |
| INT8 (dense) | 2,614 TOPS | 300 TOPS |
| Form factor | OAM | Auto-board (dual-SoC) |
| Announced | 2024-10-10 | 2023-01-01 |
| Released | 2025-01-01 | 2023-02-01 |
Robots running AMD Instinct MI325X
No robots publicly running it yet.
Robots running Tesla HW4 (FSD Computer 2)
Data centers with AMD Instinct MI325X
No data centers publicly running it yet.
Data centers with Tesla HW4 (FSD Computer 2)
No data centers publicly running it yet.
Common questions
AMD Instinct MI325X vs Tesla HW4 (FSD Computer 2): which has more memory?
AMD Instinct MI325X carries more HBM (AMD Instinct MI325X: 256 GB HBM3e; 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.
AMD Instinct MI325X vs Tesla HW4 (FSD Computer 2): which is more widely used?
AMD Instinct MI325X: 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 · AMD Instinct MI325X full page · Tesla HW4 (FSD Computer 2) full page.