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// RUN — FITS
Can the AMD Instinct MI325X run Mixtral 8x7B?
Yes — here's how fast and up to what context, with real measured numbers.
Mixtral 8x7B on the AMD Instinct MI325X
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 429k | 40.5-49.5 t/s | ~0.3-0.3 (slow) |
| Q8 | yes | 572k | 80.9-98.9 t/s | ~0.5-0.7 (slow) |
| Q4 | yes | 634k | 144.5-176.7 t/s | ~1-1.2 (slow) |
Estimate (memory-bound). Beyond "max context" the KV cache spills to system RAM offload (depends on your system RAM) and speed drops to the "beyond" figure.
FAQ
Can the AMD Instinct MI325X run Mixtral 8x7B?▶
Yes. At Q4 it generates ~144.5-176.7 tok/s and fits up to 634k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~1-1.2 tok/s.
How much context fits?▶
At Q4, up to about 634k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.