Head-to-head · LFM
LFM2 700M vs LFM2 1.2B
LFM2 700M needs ~1.9 GB at Q4_K_M; LFM2 1.2B needs ~2.5 GB. That ~0.6 GB gap decides which hardware runs each; they differ on 0 of the 14 devices below.
Which devices run each
A representative spread across the memory range. Tap a verdict for the full breakdown.
Size at each quantization
* derived from bits-per-weight; unstarred sizes are measured GGUF files.
Bottom line
The larger LFM2 1.2B needs ~2.5 GB; LFM2 700M runs on lighter hardware at ~1.9 GB with more headroom and faster responses. Check each against your exact device: what runs LFM2 700M · what runs LFM2 1.2B.
More LFM comparisons
FAQ
What is the difference in memory between LFM2 700M and LFM2 1.2B?
At Q4_K_M, LFM2 700M needs about 1.9 GB and LFM2 1.2B needs about 2.5 GB, a difference of ~0.6 GB.
Should I run LFM2 700M or LFM2 1.2B?
Run LFM2 1.2B if your hardware has the ~2.5 GB it needs and you want maximum quality; run LFM2 700M (~1.9 GB) for lighter hardware, faster responses, and more memory headroom.
Full breakdowns: LFM2 700M · LFM2 1.2B · all models × devices.
Sources
Memory figures are estimates at Q4_K_M, validated 2026-08-03. See methodology.