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// RUN — FITS
Can the AMD Radeon RX 7900 XT run GPT-2 (774M)?
Yes — here's how fast and up to what context, with real measured numbers.
GPT-2 (774M) on the AMD Radeon RX 7900 XT
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 234k | 325.6-397.9 t/s | ~16.3-19.9 (slow) |
| Q8 | yes | 246k | 651.2-795.9 t/s | ~32.6-39.8 (slow) |
| Q4 | yes | 251k | 1162.8-1421.2 t/s | ~58.1-71.1 (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 GPT-2 (774M)?▶
Yes. At Q4 it generates ~1162.8-1421.2 tok/s and fits up to 251k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~58.1-71.1 tok/s.
How much context fits?▶
At Q4, up to about 251k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.