// RUN โ€” FITS

Can the AMD Instinct MI455X run OpenThaiGPT v1.0.0 (13B)?

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

OpenThaiGPT v1.0.0 (13B) on the AMD Instinct MI455X

QuantFits?Max contextSpeedBeyond context
FP16 yes 2257k 471.3-576 t/s ~1-1.2 (slow)
Q8 yes 2337k 942.6-1152.1 t/s ~1.9-2.4 (slow)
Q4 yes 2372k 1683.2-2057.3 t/s ~3.4-4.2 (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 MI455X run OpenThaiGPT v1.0.0 (13B)?โ–ถ

Yes. At Q4 it generates ~1683.2-2057.3 tok/s and fits up to 2372k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~3.4-4.2 tok/s.

How much context fits?โ–ถ

At Q4, up to about 2372k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.