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// RUN — FITS
Can the NVIDIA GeForce RTX 4090 run LFM2.5-ColBERT-350M?
Yes — here's how fast and up to what context, with real measured numbers.
LFM2.5-ColBERT-350M on the NVIDIA GeForce RTX 4090
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 303k | 1051.2-1252.8 t/s | ~41.7-49.7 (slow) |
| Q8 | yes | 309k | 2102.4-2505.6 t/s | ~83.4-99.4 (slow) |
| Q4 | yes | 311k | 3754.3-4474.3 t/s | ~149-177.6 (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 4090 run LFM2.5-ColBERT-350M?▶
Yes. At Q4 it generates ~3754.3-4474.3 tok/s and fits up to 311k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~149-177.6 tok/s.
How much context fits?▶
At Q4, up to about 311k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.