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// RUN — FITS
Can the AMD Radeon RX 7900 XTX run Segatron XL base, M=384?
Yes — here's how fast and up to what context, with real measured numbers.
Segatron XL base, M=384 on the AMD Radeon RX 7900 XTX
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 306k | 1176.7-1438.1 t/s | ~49-59.9 (slow) |
| Q8 | yes | 310k | 2353.3-2876.3 t/s | ~98.1-119.8 (slow) |
| Q4 | yes | 312k | 4202.3-5136.2 t/s | ~175.1-214 (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 Segatron XL base, M=384?▶
Yes. At Q4 it generates ~4202.3-5136.2 tok/s and fits up to 312k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~175.1-214 tok/s.
How much context fits?▶
At Q4, up to about 312k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.