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Can the AMD Instinct MI455X run RMBG v2.0?
Yes — here's how fast and up to what context, with real measured numbers.
RMBG v2.0 on the AMD Instinct MI455X
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 6035k | 27936.7-34144.8 t/s | ~57-69.7 (slow) |
| Q8 | yes | 6038k | 55873.3-68289.6 t/s | ~114-139.4 (slow) |
| Q4 | yes | 6040k | 99773.8-121945.7 t/s | ~203.6-248.9 (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 Instinct MI455X run RMBG v2.0?▶
Yes. At Q4 it generates ~99773.8-121945.7 tok/s and fits up to 6040k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~203.6-248.9 tok/s.
How much context fits?▶
At Q4, up to about 6040k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.