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Head-to-head · Qwen2.5-Coder

Qwen2.5 Coder 3B vs Qwen2.5 Coder 32B

Qwen2.5 Coder 3B needs ~3 GB at Q4_K_M; Qwen2.5 Coder 32B needs ~20.7 GB. That ~17.7 GB gap decides which hardware runs each; they differ on 9 of the 14 devices below.

Spec Qwen2.5 Coder 3B Qwen2.5 Coder 32B
Parameters3.09B32B
Memory at Q4_K_M~3 GB~20.7 GB
Context window32k32k
LMArenanot rankednot ranked
LicenseQwen Research LicenseApache-2.0

Which devices run each

A representative spread across the memory range. Tap a verdict for the full breakdown.

Size at each quantization

Quant Qwen2.5 Coder 3B Qwen2.5 Coder 32B
Q2_K 1.3 GB* 13.4 GB*
Q3_K_M 1.5 GB* 15.6 GB*
Q4_K_M 1.8 GB 18.49 GB
Q5_K_M 2.2 GB* 22.8 GB*
Q6_K 2.5 GB* 26.2 GB*
Q8_0 3.06 GB 32.43 GB
FP16 6.2 GB* 64 GB*

* derived from bits-per-weight; unstarred sizes are measured GGUF files.

Bottom line

The larger Qwen2.5 Coder 32B needs ~20.7 GB; Qwen2.5 Coder 3B runs on lighter hardware at ~3 GB with more headroom and faster responses. Check each against your exact device: what runs Qwen2.5 Coder 3B · what runs Qwen2.5 Coder 32B.

More Qwen2.5-Coder comparisons

FAQ

What is the difference in memory between Qwen2.5 Coder 3B and Qwen2.5 Coder 32B?

At Q4_K_M, Qwen2.5 Coder 3B needs about 3 GB and Qwen2.5 Coder 32B needs about 20.7 GB, a difference of ~17.7 GB.

Should I run Qwen2.5 Coder 3B or Qwen2.5 Coder 32B?

Run Qwen2.5 Coder 32B if your hardware has the ~20.7 GB it needs and you want maximum quality; run Qwen2.5 Coder 3B (~3 GB) for lighter hardware, faster responses, and more memory headroom.

Full breakdowns: Qwen2.5 Coder 3B · Qwen2.5 Coder 32B · all models × devices.

Sources

Memory figures are estimates at Q4_K_M, validated 2026-08-03. See methodology.