Chip comparison
AMD Instinct MI350 series vs Tenstorrent Blackhole
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 MI350 series | Tenstorrent Blackhole |
|---|---|---|
| Process node | TSMC N3 (chiplet) | TSMC N6 |
| TDP | 1000 W | 300 W |
| Memory | 288 GB HBM3e | 32 GB GDDR6 |
| Memory bandwidth | 8,000 GB/s | 512 GB/s |
| FP16 (dense) | 2,300 TFLOPS | 745 TFLOPS |
| BF16 (dense) | 2,300 TFLOPS | — |
| FP8 (dense) | 4,600 TFLOPS | — |
| INT8 (dense) | 4,600 TOPS | 2,980 TOPS |
| Form factor | OAM | PCIe |
| Announced | 2025-06-12 | 2024-07-01 |
| Released | 2025-10-01 | 2025-01-01 |
Robots running AMD Instinct MI350 series
No robots publicly running it yet.
Robots running Tenstorrent Blackhole
No robots publicly running it yet.
Data centers with AMD Instinct MI350 series
Data centers with Tenstorrent Blackhole
No data centers publicly running it yet.
Common questions
AMD Instinct MI350 series vs Tenstorrent Blackhole: which is faster for training?
AMD Instinct MI350 series has 6.17x the dense FP16/BF16 throughput of the other (AMD Instinct MI350 series: 4,600 TFLOPS; Tenstorrent Blackhole: 745 TFLOPS). Real-world training speed also depends on memory bandwidth, interconnect, and software stack: see the spec diff for those inputs.
AMD Instinct MI350 series vs Tenstorrent Blackhole: which has more memory?
AMD Instinct MI350 series carries more HBM (AMD Instinct MI350 series: 288 GB HBM3e; Tenstorrent Blackhole: 32 GB GDDR6). Memory capacity sets the largest model that fits on one chip without partitioning; memory bandwidth sets inference throughput.
AMD Instinct MI350 series vs Tenstorrent Blackhole: which is more power-efficient?
Dense FP16/BF16 TFLOPS per watt: AMD Instinct MI350 series 4.60 (4,600 ÷ 1000 W); Tenstorrent Blackhole 2.48 (745 ÷ 300 W). AMD Instinct MI350 series wins at the die level; system-level efficiency also depends on cooling and interconnect.
AMD Instinct MI350 series vs Tenstorrent Blackhole: which is more widely used?
AMD Instinct MI350 series: 0 robots and 1 data center publicly running it. Tenstorrent Blackhole: 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 · AMD Instinct MI350 series full page · Tenstorrent Blackhole full page.