Llama 3.2 3B Instruct on Apple M4 Pro (48GB)

Yes — M4 Pro (48GB) runs Llama 3.2 3B Instruct excellently at Q8_0 — 60 tok/s. 48 GB VRAM with plenty of headroom.

Model Size

3.21B

Device VRAM

48 GB

Bandwidth

273 GB/s

Quantization

Q8_0

Benchmarks

Performance by Quantization

OwnRig currently has one published compatibility entry for Llama 3.2 3B Instruct on Apple M4 Pro (48GB) at Q8_0. This is the best supported pairing we can stand behind today.

Quantization	Speed	TTFT	Fits in VRAM	Rating	Confidence
Q8_0	60 tok/s	80ms	✓ Yes	Excellent	estimated

Notes

Q8_0

Same bandwidth as M4 Pro 24GB. 3B fits with massive headroom for concurrent models.

About Llama 3.2 3B Instruct

Llama 3.2 3B Instruct (3.21B) is a chat, coding, ai coding, reasoning model. Ultra-lightweight model that runs on virtually any GPU. Surprisingly capable for its size: good at summarization, simple coding tasks, and quick chat. The default choice when speed matters more than depth.

View all Llama 3.2 3B Instruct hardware options →

About Apple M4 Pro (48GB)

Apple M4 Pro (48GB) has 48 GB at 273 GB/s. Available in MacBook Pro 16-inch, Mac Mini.

See all models Apple M4 Pro (48GB) can run →

Estimate method: MLX performance estimates based on device bandwidth. Reference hardware source: github.com (2026-03-15)

Performance varies by driver version, inference engine, quantization method, context length, and system configuration. Figures shown are estimates based on community benchmarks and may not reflect your exact setup. Product names are trademarks of their respective owners. OwnRig is independent and not affiliated with any hardware or AI model provider.