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// RUN — FITS
Can the Instinct MI430X run Apertus 1.5 70B?
Yes — here's how fast and up to what context, with real measured numbers.
Apertus 1.5 70B on the Instinct MI430X
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 781k | 104.9-128.2 t/s | ~0.2-0.2 (slow) |
| Q8 | yes | 995k | 209.7-256.3 t/s | ~0.4-0.4 (slow) |
| Q4 | yes | 1089k | 374.5-457.7 t/s | ~0.6-0.8 (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 Instinct MI430X run Apertus 1.5 70B?▶
Yes. At Q4 it generates ~374.5-457.7 tok/s and fits up to 1089k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~0.6-0.8 tok/s.
How much context fits?▶
At Q4, up to about 1089k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.