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// RUN — FITS
Can the AMD Radeon RX 6900 XT run Unified-IO (XL)?
Yes — here's how fast and up to what context, with real measured numbers.
Unified-IO (XL) on the AMD Radeon RX 6900 XT
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 112k | 55.1-67.4 t/s | ~4.3-5.3 (slow) |
| Q8 | yes | 157k | 110.3-134.8 t/s | ~8.6-10.5 (slow) |
| Q4 | yes | 177k | 196.9-240.7 t/s | ~15.4-18.8 (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 AMD Radeon RX 6900 XT run Unified-IO (XL)?▶
Yes. At Q4 it generates ~196.9-240.7 tok/s and fits up to 177k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~15.4-18.8 tok/s.
How much context fits?▶
At Q4, up to about 177k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.