How much VRAM does Qwen2.5 3B Instruct need?

Qwen2.5 3B Instruct (3B parameters) requires approximately 10.7 GB of memory with Q4_K_M quantization.

What is the best quantization for Qwen2.5 3B Instruct?

The recommended quantization for Qwen2.5 3B Instruct is Q4_K_M, which balances quality and memory efficiency.

Can it run?

Yes, Mac mini M4 64GB can run Qwen2.5 3B Instruct with a C grade (Runs well). Expected decode speed: 42.6 tok/s.

CUsable

Runs well

Using Q4_K_M in Ollama

Capabilities:

Fit status

Runs well

Decode

42.6 tok/s

TTFT

4542 ms

Safe context

69K

Memory

10.7 GB / 46.1 GB

Weights1.8 GB

KV Cache0.8 GB

Runtime1.2 GB

Headroom6.9 GB

Workload	Grade	Fit	Decode	TTFT	Context
Agentic Coding	C	Runs well	47.2 tok/s	5964 ms	136K
Chat	C	Runs well	47.2 tok/s	2237 ms	34K
Coding	C	Runs well	42.6 tok/s	4542 ms	69K
RAG	C	Runs well	47.2 tok/s	7456 ms	136K
Reasoning	C	Runs well	47.2 tok/s	4846 ms	69K

How Qwen2.5 3B Instruct (3B params) fits at each quantization level on Mac mini M4 64GB (46.1 GB usable).

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	1.2 GB	Low	D30
Q3_K_S	3	1.5 GB	Low	D30
NVFP4	4

Upgrade options

MacBook Pro M4 Max 96GBBudget pick

C188 tok/s decode

~$2,499 MSRP

MacBook Pro M3 Max 128GBBest value

C131.1 tok/s decode

~$2,499 MSRP