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// RUN — FITS
Can the AMD Radeon RX 6800 XT run Transformer-XL (257M)?
Yes — here's how fast and up to what context, with real measured numbers.
Transformer-XL (257M) on the AMD Radeon RX 6800 XT
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 194k | 627.5-767 t/s | ~49-59.9 (slow) |
| Q8 | yes | 198k | 1255.1-1534 t/s | ~98.1-119.8 (slow) |
| Q4 | yes | 200k | 2241.2-2739.3 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 6800 XT run Transformer-XL (257M)?▶
Yes. At Q4 it generates ~2241.2-2739.3 tok/s and fits up to 200k 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 200k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.