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// RUN — FITS
Can the AMD Radeon RX 7900 XT run Codestral Mamba?
Yes — here's how fast and up to what context, with real measured numbers.
Codestral Mamba on the AMD Radeon RX 7900 XT
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 18k | 34.6-42.3 t/s | ~1.7-2.1 (slow) |
| Q8 | yes | 73k | 69.2-84.6 t/s | ~3.5-4.2 (slow) |
| Q4 | yes | 98k | 123.5-151 t/s | ~6.2-7.5 (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 Radeon RX 7900 XT run Codestral Mamba?▶
Yes. At Q4 it generates ~123.5-151 tok/s and fits up to 98k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~6.2-7.5 tok/s.
How much context fits?▶
At Q4, up to about 98k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.