Qwen2.5 14B Instruct

Qwen2.5 14B Instruct loads in 11 GB at Q4_K_M and is comfortable from 24 GB of memory, Macs included from the Mac Mini M6 16GB. Below: the full memory math, the cheapest card that runs it well, and the fastest machine we track.

PARAMETERS
14B
FORMAT
Q4_K_M
MIN MEMORY
16 GB
BEST FOR
Coding, Chat

Memory math

Weights (Q4_K_M)
11 GB
+ KV cache (16k)
~3.0 GB
Total at 16k
~14.0 GB
Comfortable from
24 GB

KV = fp16 estimate (q8_0 cache roughly halves it). "Comfortable" = weights + KV within the engine's tiered budget (~70-85% of memory).

Hardware snapshot

Cheapest GPU
~46 tok/s est. — ~$550 used
Fastest
~90 tok/s est.
Runs on a Mac?
~15 tok/s est.

More Qwen models

Frequently asked questions

How much memory does Qwen2.5 14B Instruct need?

11 GB for the Q4_K_M weights, plus ~3.0 GB of KV-cache at 16k context — about 14.0 GB total. Comfortable from 24 GB of VRAM or unified memory.

Does Qwen2.5 14B Instruct run on a Mac?

Yes — from the Mac Mini M6 16GB (~15 tok/s est.). Unified memory means the RAM budget is the only limit.

What is the cheapest GPU for Qwen2.5 14B Instruct?

The AMD Radeon RX 7900 XT is the cheapest tracked card that runs Qwen2.5 14B Instruct comfortably — ~46 tok/s est. at ~$550 used.

Cite this page

ModelFit: Qwen2.5 14B Instruct — specs, memory math and hardware verdicts.
https://modelfit.io/models/qwen2.5-14b/ (dataset updated 2026-09-03, CC BY 4.0).