// RUN โ€” FITS

Can the AMD Instinct MI300X 192GB run XLMR-XXL?

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

XLMR-XXL on the AMD Instinct MI300X 192GB

QuantFits?Max contextSpeedBeyond context
FP16 yes 938k 156-190.7 t/s ~1.2-1.4 (slow)
Q8 yes 1004k 312.1-381.4 t/s ~2.4-2.9 (slow)
Q4 yes 1032k 557.2-681.1 t/s ~4.2-5.1 (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 XLMR-XXL?โ–ถ

Yes. At Q4 it generates ~557.2-681.1 tok/s and fits up to 1032k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~4.2-5.1 tok/s.

How much context fits?โ–ถ

At Q4, up to about 1032k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.