Can gemma 3 4b it run on MacBook Pro M1 Max 32GB?

Q: Is unified memory on MacBook Pro M1 Max 32GB as fast as VRAM for gemma 3 4b it?

Not always. MacBook Pro M1 Max 32GB can often fit larger models thanks to unified memory, but a discrete GPU with dedicated high-bandwidth VRAM may still decode faster once the model fits. For this combination, the important distinction is capacity versus sustained throughput.

YES — Runs Great

C47Usable

Estimated from fit model

gemma 3 4b it needs ~7.3 GB VRAM. MacBook Pro M1 Max 32GB has 23.0 GB. With Q4_K_M quantization, expect ~56 tok/s.

Runtime: llama.cppCapacity: RoomyBandwidth: LowStack: StandardBottleneck: Balanced

Operating mode

Choose the run profile you care about

Interactive favors responsiveness, while light API and scale-out lean harder on serving readiness. The fit stays the same, but the recommendation lens changes.

Current mode

Balanced

Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.

Capabilities:

Select quantization to explore

Q4_K_M (Medium quality) — 7.3 GB, 56.0 tok/s, Runs well

7.3 GB required23.0 GB available

32% VRAM used

Fit status

Runs well

Decode

56.0 tok/s

TTFT

3457 ms

Safe context

554K

Memory

7.3 GB / 23.0 GB

Memory breakdown

Weights2.4 GB

KV Cache0.5 GB

Runtime0.9 GB

Headroom3.5 GB

See how fast it feels

See how fast it feelsgemma 3 4b it on MacBook Pro M1 Max 32GB
1st promptCold start — includes initialization
>What is local AI inference?
Local AI inference means running an AI language model directly on your own hardware — your laptop, desktop, or server — instead of sending requests to a remote cloud API.

When you run inference locally the model weights are loaded into your GPU or unified memory. Each token you generate requires reading those weights from memory, so memory bandwidth is the main bottleneck for decode speed.

Key benefits of running locally:
  - Full privacy: your prompts never leave your machine
  - No per-token cost or rate limits
  - Works offline once the model is downloaded
  - Latency depends only on your hardware
2nd promptWarm — model ready, no init overhead
>How much VRAM do I need?
It depends on the model size and quantization level. A rough rule of thumb:

  Model size     Q4 (4-bit)    Q8 (8-bit)    FP16
  7B params      ~4.3 GB       ~7.5 GB       ~14 GB
  13B params     ~7.9 GB       ~13.9 GB      ~26 GB
  70B params     ~42.7 GB      ~74.9 GB      ~140 GB

Most people use 4-bit quantization (Q4_K_M) which gives 90-95% of full quality at a fraction of the memory. A 24 GB GPU can comfortably run most 7B-13B models.
Estimated: 56.0 tok/s decode · 3.5s TTFT (warm) · 140 tok/s prefill

What limits this setup

This setup is broadly balanced for this model.

Shared-memory contention still exists

The OS, browser, and inference runtime all compete for the same physical memory pool, so real-world headroom is less forgiving than raw capacity suggests.

Best improvement path

Performance by workload

Workload	Grade	Fit	Decode	TTFT	Context
Chat	C	Runs well	56.0 tok/s	1886 ms	554K
Coding	C	Runs well	56.0 tok/s	3457 ms	554K
Agentic Coding	C	Runs well	56.0 tok/s	5029 ms	554K
Reasoning	C	Runs well	56.0 tok/s	4086 ms	554K
RAG	C	Runs well	56.0 tok/s	6286 ms	554K

Quantization options

How gemma 3 4b it (4B params) fits at each quantization level on MacBook Pro M1 Max 32GB (23.0 GB usable).

Quant	Bits	VRAM	Quality	Fit
Q2_K	2	1.6 GB	Low	C44
Q3_K_S	3	2.0 GB	Low	C44
NVFP4	4

Get started

Copy-paste commands to run gemma 3 4b it on your machine.

Run

lms load hf-maziyarpanahi--gemma-3-4b-it-gguf && lms server start

Frequently asked questions

Can MacBook Pro M1 Max 32GB run gemma 3 4b it?

Yes, MacBook Pro M1 Max 32GB can run gemma 3 4b it with a C grade (Runs well). Expected decode speed: 56.0 tok/s.

How much VRAM does gemma 3 4b it need?

gemma 3 4b it (4B parameters) requires approximately 7.3 GB of memory with Q4_K_M quantization.

What is the best quantization for gemma 3 4b it?

The recommended quantization for gemma 3 4b it is Q4_K_M, which balances quality and memory efficiency.

What speed will gemma 3 4b it run at on MacBook Pro M1 Max 32GB?

On MacBook Pro M1 Max 32GB, gemma 3 4b it achieves approximately 56.0 tokens per second decode speed with a time-to-first-token of 3457ms using Q4_K_M quantization.

Can MacBook Pro M1 Max 32GB run gemma 3 4b it for coding?

For coding workloads, gemma 3 4b it on MacBook Pro M1 Max 32GB receives a C grade with 56.0 tok/s and 554K context.

What context window can gemma 3 4b it use on MacBook Pro M1 Max 32GB?

On MacBook Pro M1 Max 32GB, gemma 3 4b it can safely use up to 554K tokens of context. The model's official context limit is —, but available memory constrains the safe maximum.

Is unified memory on MacBook Pro M1 Max 32GB as fast as VRAM for gemma 3 4b it?

See all results for MacBook Pro M1 Max 32GB See all hardware for gemma 3 4b it

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