Head-to-head · Qwen2.5-VL
Qwen2.5-VL 3B vs Qwen2.5-VL 7B
Qwen2.5-VL 3B needs ~4.4 GB at Q4_K_M; Qwen2.5-VL 7B needs ~7.1 GB. That ~2.7 GB gap decides which hardware runs each; they differ on 3 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 Qwen2.5-VL 7B needs ~7.1 GB; Qwen2.5-VL 3B runs on lighter hardware at ~4.4 GB with more headroom and faster responses. Check each against your exact device: what runs Qwen2.5-VL 3B · what runs Qwen2.5-VL 7B.
FAQ
What is the difference in memory between Qwen2.5-VL 3B and Qwen2.5-VL 7B?
At Q4_K_M, Qwen2.5-VL 3B needs about 4.4 GB and Qwen2.5-VL 7B needs about 7.1 GB, a difference of ~2.7 GB.
Should I run Qwen2.5-VL 3B or Qwen2.5-VL 7B?
Run Qwen2.5-VL 7B if your hardware has the ~7.1 GB it needs and you want maximum quality; run Qwen2.5-VL 3B (~4.4 GB) for lighter hardware, faster responses, and more memory headroom.
Full breakdowns: Qwen2.5-VL 3B · Qwen2.5-VL 7B · all models × devices.
Sources
Memory figures are estimates at Q4_K_M, validated 2026-08-03. See methodology.