// RUN โ€” FITS

Can the AMD Instinct MI455X run Typhoon 2.1 Gemma 4B?

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

Typhoon 2.1 Gemma 4B on the AMD Instinct MI455X

QuantFits?Max contextSpeedBeyond context
FP16 yes 5919k 1543.5-1886.5 t/s ~3.2-3.9 (slow)
Q8 yes 5981k 3087-3773 t/s ~6.3-7.7 (slow)
Q4 yes 6007k 5512.5-6737.5 t/s ~11.3-13.8 (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 Typhoon 2.1 Gemma 4B?โ–ถ

Yes. At Q4 it generates ~5512.5-6737.5 tok/s and fits up to 6007k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~11.3-13.8 tok/s.

How much context fits?โ–ถ

At Q4, up to about 6007k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.