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Head-to-head · Qwen2.5-Coder

Qwen2.5 Coder 7B vs Qwen2.5 Coder 14B

Qwen2.5 Coder 7B needs ~5.8 GB at Q4_K_M; Qwen2.5 Coder 14B needs ~10.1 GB. That ~4.3 GB gap decides which hardware runs each; they differ on 2 of the 14 devices below.

Spec Qwen2.5 Coder 7B Qwen2.5 Coder 14B
Parameters7B14B
Memory at Q4_K_M~5.8 GB~10.1 GB
Context window32k32k
LMArenanot rankednot ranked
LicenseApache-2.0Apache-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 7B Qwen2.5 Coder 14B
Q2_K 2.9 GB* 5.9 GB*
Q3_K_M 3.4 GB* 6.8 GB*
Q4_K_M 4.36 GB 8.37 GB
Q5_K_M 5 GB* 10 GB*
Q6_K 5.7 GB* 11.5 GB*
Q8_0 7.54 GB 14.62 GB
FP16 14 GB* 28 GB*

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

Bottom line

The larger Qwen2.5 Coder 14B needs ~10.1 GB; Qwen2.5 Coder 7B runs on lighter hardware at ~5.8 GB with more headroom and faster responses. Check each against your exact device: what runs Qwen2.5 Coder 7B · what runs Qwen2.5 Coder 14B.

More Qwen2.5-Coder comparisons

FAQ

What is the difference in memory between Qwen2.5 Coder 7B and Qwen2.5 Coder 14B?

At Q4_K_M, Qwen2.5 Coder 7B needs about 5.8 GB and Qwen2.5 Coder 14B needs about 10.1 GB, a difference of ~4.3 GB.

Should I run Qwen2.5 Coder 7B or Qwen2.5 Coder 14B?

Run Qwen2.5 Coder 14B if your hardware has the ~10.1 GB it needs and you want maximum quality; run Qwen2.5 Coder 7B (~5.8 GB) for lighter hardware, faster responses, and more memory headroom.

Full breakdowns: Qwen2.5 Coder 7B · Qwen2.5 Coder 14B · all models × devices.

Sources

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