// RUN โ€” FITS

Can the NVIDIA GeForce RTX 5090 run DiT-XL/2?

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

DiT-XL/2 on the NVIDIA GeForce RTX 5090

QuantFits?Max contextSpeedBeyond context
FP16 yes 406k 969-1154.8 t/s ~21.6-25.8 (slow)
Q8 yes 416k 1938-2309.7 t/s ~43.3-51.6 (slow)
Q4 yes 421k 3460.7-4124.4 t/s ~77.2-92.1 (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 NVIDIA GeForce RTX 5090 run DiT-XL/2?โ–ถ

Yes. At Q4 it generates ~3460.7-4124.4 tok/s and fits up to 421k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~77.2-92.1 tok/s.

How much context fits?โ–ถ

At Q4, up to about 421k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.