// RUN โ€” FITS

Can the AMD Instinct MI300X 192GB run Velvet 25B?

Yes โ€” here's how fast and up to what context, with real measured numbers.

Velvet 25B on the AMD Instinct MI300X 192GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 477k 66.8-81.6 t/s ~0.5-0.6 (slow)
Q8 yes 573k 133.6-163.2 t/s ~1-1.2 (slow)
Q4 yes 615k 238.5-291.5 t/s ~1.8-2.2 (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 MI300X 192GB run Velvet 25B?โ–ถ

Yes. At Q4 it generates ~238.5-291.5 tok/s and fits up to 615k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~1.8-2.2 tok/s.

How much context fits?โ–ถ

At Q4, up to about 615k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.