// RUN โ€” FITS

Can the NVIDIA GeForce RTX 4080 run LUXIA-21.4B-Alignment?

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

LUXIA-21.4B-Alignment on the NVIDIA GeForce RTX 4080

QuantFits?Max contextSpeedBeyond context
FP16 no โ€” โ€” โ€”
Q8 no โ€” โ€” โ€”
Q4 yes 5k 44.8-53.4 t/s ~2.4-2.9 (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 NVIDIA GeForce RTX 4080 run LUXIA-21.4B-Alignment?โ–ถ

Yes. At Q4 it generates ~44.8-53.4 tok/s and fits up to 5k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~2.4-2.9 tok/s.

How much context fits?โ–ถ

At Q4, up to about 5k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.