// RUN โ€” FITS

Can the AMD Radeon RX 7900 XT run Flan T5-XXL + BLIP-2?

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

Flan T5-XXL + BLIP-2 on the AMD Radeon RX 7900 XT

QuantFits?Max contextSpeedBeyond context
FP16 no โ€” โ€” โ€”
Q8 yes 29k 41.7-50.9 t/s ~2.1-2.5 (slow)
Q4 yes 62k 74.4-90.9 t/s ~3.7-4.5 (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 Radeon RX 7900 XT run Flan T5-XXL + BLIP-2?โ–ถ

Yes. At Q4 it generates ~74.4-90.9 tok/s and fits up to 62k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~3.7-4.5 tok/s.

How much context fits?โ–ถ

At Q4, up to about 62k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.