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// RUN — FITS
Can the AMD Radeon RX 7900 XTX run Qwen2-0.5B?
Yes — here's how fast and up to what context, with real measured numbers.
Qwen2-0.5B on the AMD Radeon RX 7900 XTX
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 299k | 604.8-739.2 t/s | ~25.2-30.8 (slow) |
| Q8 | yes | 306k | 1209.6-1478.4 t/s | ~50.4-61.6 (slow) |
| Q4 | yes | 310k | 2160-2640 t/s | ~90-110 (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 XTX run Qwen2-0.5B?▶
Yes. At Q4 it generates ~2160-2640 tok/s and fits up to 310k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~90-110 tok/s.
How much context fits?▶
At Q4, up to about 310k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.