// RUN โ€” FITS

Can the AMD Instinct MI455X run Nanbeige2-16B-Chat?

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

Nanbeige2-16B-Chat on the AMD Instinct MI455X

QuantFits?Max contextSpeedBeyond context
FP16 yes 1390k 390.8-477.6 t/s ~0.8-1 (slow)
Q8 yes 1450k 781.5-955.2 t/s ~1.6-1.9 (slow)
Q4 yes 1477k 1395.6-1705.7 t/s ~2.8-3.5 (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 Nanbeige2-16B-Chat?โ–ถ

Yes. At Q4 it generates ~1395.6-1705.7 tok/s and fits up to 1477k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~2.8-3.5 tok/s.

How much context fits?โ–ถ

At Q4, up to about 1477k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.